User:NationalRegisterBot/AllNRHPPages/A
- A & P Food Stores Building
- A&P Superintendent's House
- A'a Village Site
- A'asu, American Samoa
- A. A. Garcelon House
- A. A. Payne–John Christo Sr. House
- A. A. Salazar House
- A. Armstrong Farm
- A. B. Butler House
- A. B. C. Dodd House
- A. B. Chace Rowhouses
- A. B. Hess Cigar Factory, and Warehouses
- A. B. Leavitt House
- A. B. Moss Building
- A. B. Seavey House
- A. Berding House
- A. C. Freeman House
- A. C. Gilbert's Discovery Village
- A. C. Jeffery Farmstead
- A. C. Jones House
- A. C. Smith & Co. Gas Station
- A. C. Steere Elementary School
- A. C. Trumbo House
- A. Chapin House
- A. Conger Goodyear House
- A. D. (Boss) Jones House
- A. D. German Warehouse
- A. D. Strickland Store
- A. E. Burckhardt House
- A. E. Cook House
- A. E. Doyle Cottage
- A. E. Larson Building
- A. E. Taplin Apartment Building
- A. Eliason House
- A. Everett Austin House
- A. F. Chapman House
- A. Fletcher Spigner House
- A. G. Becker Property
- A. G. Long House
- A. G. Pless Jr. House
- A. G. Tuttle Estate
- A. H. Allyn House
- A. H. Beach House
- A. H. Brown Public Library
- A. H. Buchan Company Building
- A. H. Chapman House
- A. H. Maegly House
- A. H. Rice Silk Mill
- A. H. Stephens State Park
- A. Herr and E. E. Smith Public Library
- A. J. Borden Building
- A. J. Clark Store
- A. J. Dean House
- A. J. Harwi House
- A. J. Jernigan House
- A. J. Mason Building
- A. J. Meerwald
- A. J. Miller House
- A. J. Stephens House
- A. K. Smiley Public Library
- A. K. Steunenberg House
- A. Kinney House
- A. L. Lovejoy House
- A. L. Spoon House
- A. Landi General Merchandise Building
- A. M. Detmer House
- A. M. Lamb House
- A. M. Rothschild & Company Store
- A. M. Vail House
- A. Malin House
- A. Mendelson and Son Company Building
- A. N. Tanner House
- A. Nanbu Hotel-Holy's Bakery
- A. Newton Farm
- A. O. Huntley Barn
- A. P. Carter Homeplace
- A. P. Carter Store
- A. P. Dickman House
- A. P. Hill Boyhood Home
- A. P. Hill House
- A. P. Johnson House
- A. P. Terry House
- A. P. W. Kennan House
- A. P. and Sara Carter House
- A. Porter Davis Residence
- A. Quinn Jones House
- A. Robinson Building
- A. S. Bradford House
- A. S. Rugge House
- A. S. Woodruff and Law Buildings
- A. Smith Bowman Distillery
- A. T. Averill House
- A. T. House
- A. T. Stewart Era Buildings
- A. Taylor Ray House
- A. V. Peters House
- A. V. Quinn House
- A. W. Gribble Farm
- A. W. Hayden House
- A. W. Pratt House
- A. Walsh Stone House and Farm Complex
- A. Whipple House
- A.A. Hurst House
- A.A. Parsons Farmstead
- A.B. Baca House
- A.B. Brewer Building
- A.B. Graham House
- A.C. Beatie House
- A.C. Gilruth House
- A.C. Waltman House
- A.D. Oliver Middle School
- A.E. Perkins House
- A.F. Cappelli Block
- A.F.R. Building
- A.G. Grant Homestead
- A.J. Andrus Duplex
- A.J. Fisher House
- A.J. Hazeltine House
- A.J. Holman and Company building
- A.J. Lewis House
- A.J. Smith House
- A.J. Williamson House
- A.J. and Emma E. Thomas Coley House
- A.M. Bohnert Rice Plantation Pump
- A.M. McNair House
- A.M.E. Zion Church of Kingston
- A.P. Williams Funeral Home
- A.R. Brown House
- A.R. Carroll Building
- A.S. Cooper Farm
- A.S. Noon Building
- A.T. Ranch Headquarters
- A.W. Buck House
- A.W. Patterson House
- ABC Auto Sales and Investment Company Building
- AF and AM Lodge 687
- AJX Bridge over South Fork and Powder River
- AME Church of New Haven
- AMK Ranch
- AMY Northwest Middle School
- AN/FPS-35
- APA's Diamond NN Cannery
- ASM Headquarters and Geodesic Dome
- AT & SF Roundhouse
- AT&SF Freight Office
- AT&T Building (Kingman, Arizona)
- AT&T City Center
- AVR 661
- AXA Building
- Aage and Kristine Larsen Homestead
- Aaron A. Sargent House
- Aaron Aldrich House
- Aaron Barber Memorial Building
- Aaron Barlow House
- Aaron Bronson House
- Aaron Copland House
- Aaron Ferrey House
- Aaron G. Cloud House
- Aaron Hill House
- Aaron Hilton Site
- Aaron Jr. and Susan Parker Farm
- Aaron Martin House
- Aaron Martin Houses
- Aaron Swayzee House
- Aaron Taft House
- Aaron Wheeler House
- Aaron Wilson House
- Aaron and Margaret Parker Jr. House
- Aaronsburg Historic District
- Abbe Creek School
- Abbe Museum
- Abbeville (Lancaster, Pennsylvania)
- Abbeville County Courthouse
- Abbeville Historic District (Abbeville, South Carolina)
- Abbeville Opera House
- Abbie Greenleaf Library
- Abbot Hall (Marblehead, Massachusetts)
- Abbot House (Nashua, New Hampshire)
- Abbot Tavern
- Abbot-Baker House
- Abbot-Battles House
- Abbot-Stinson House
- Abbotsford (Boston, Massachusetts)
- Abbott Farm Historic District
- Abbott Graves House
- Abbott Hospital
- Abbott Memorial Library
- Abbott Memorial Library (Pomfret, Vermont)
- Abbott Street School
- Abbott Tract Historic District
- Abbott's Creek Primitive Baptist Church Cemetery
- Abbott's Mill
- Abbott–Decou House
- Abbott–Holloway Farm
- Abbott–Page House
- Abdou Building
- Abel Allen House
- Abel Bennett Tract Historic District
- Abel Brockway House
- Abel Colley Tavern
- Abel E. Eaton House
- Abel H. Fish House
- Abel House
- Abel Hyatt House
- Abel Jones House
- Abel and Mary Nicholson House
- Abell Farmhouse and Barn
- Abell House (Leonardtown, Maryland)
- Abell-Kilbourn House
- Abell–Gleason House
- Abenaki Indian Shop and Camp
- Abenicio Salazar Historic District
- Aberdeen (Disputanta, Virginia)
- Aberdeen City Hall
- Aberdeen Gardens (Hampton, Virginia)
- Aberdeen Historic District (Aberdeen, North Carolina)
- Aberdeen Historic District (Aberdeen, South Dakota)
- Aberdeen Mound
- Aberdeen station (Milwaukee Road)
- Aberdeen station (Minneapolis and St. Louis Railway)
- Aberdeen station (South Dakota)
- Aberdeen–Matawan station
- Abernathy Farm
- Abert Lake Petroglyphs
- Abiah Bliss House
- Abial Cushman Store
- Abiathar King Williams House
- Abiathar and Nancy White House
- Abiel Pearson House
- Abiel Stevens House
- Abiezar Dean House
- Abigail Vare School
- Abijah C. Jay House
- Abijah Comstock House
- Abijah O'Neall II House
- Abijah Richardson Sr. Homestead
- Abijah Thomas House
- Abijah Thompson House
- Abilene Downtown Historic District
- Abilene Fire Station No. 2
- Abilene Union Pacific Railroad Freight Depot
- Abilene Union Pacific Railroad Passenger Depot
- Abingdon Bank
- Abingdon Church
- Abingdon Glebe House
- Abingdon Historic District
- Abingdon and New Abingdon Apartments
- Abington Congregational Church
- Abington Farm
- Abington Township High School
- Abita Springs Historic District
- Abita Springs Pavilion
- Abner C. Johnson House
- Abner Cloud House
- Abner Concklin House
- Abner Davison House
- Abner F. Hodgins House
- Abner Gaines House
- Abner L. Harris House
- Abner Martin House
- Abner Phelps House
- Abner T. Shaw House
- Abner Williams Log House
- Abner Woodworth House
- Abo (historic place)
- Abo Elementary School
- Abou Ben Adhem Shrine Mosque
- Abraham A. Haring House
- Abraham Adams House
- Abraham Aiken House
- Abraham Anthony Farm
- Abraham Barton House
- Abraham Best House
- Abraham Beydler House
- Abraham Bisson House
- Abraham Brower House
- Abraham Byrd House
- Abraham Castetter House
- Abraham Coult House
- Abraham Curry House
- Abraham Dickerson Farmhouse
- Abraham Ditto House
- Abraham Elder Stone House
- Abraham Glen House
- Abraham H. Esbenshade House
- Abraham Hall
- Abraham Hill House
- Abraham Houghtaling House
- Abraham J. Friedlander House
- Abraham Jaquith House
- Abraham Jones House
- Abraham Lincoln (Pullman car)
- Abraham Lincoln Birthplace National Historical Park
- Abraham Lincoln Elementary School (Pomona, California)
- Abraham Lincoln High School (Des Moines, Iowa)
- Abraham Lincoln Memorial Garden
- Abraham Lincoln Statue and Park
- Abraham Lowenstein House
- Abraham Miller House
- Abraham Russell Ponder House
- Abraham Sternberg House
- Abraham Tichner House
- Abraham Van Gelder House
- Abraham Wagener House
- Abraham Watson House
- Abraham and Maria LeFevre House
- Abraham and Mary Walton Hogeland House
- Abraham and Phoebe Ball House
- Abrahams Farmhouse
- Abram Ackerman House
- Abram Allen House
- Abram C. Fisk House
- Abram Demaree House
- Abram Gaar House and Farm
- Abram Glenn House
- Abram Hatch House
- Abram Huston House and Carriage House
- Abram W. Pike House
- Abram and Sallie Printz Farm
- Abram's Delight
- Abrams Building
- Abrams House
- Abrams Plains
- Abramson House
- Absalom Fowler House
- Absalom Lowe Landis House
- Absalom Scales House
- Absalom Thompson House
- Absaroka Mountain Lodge
- Absecon Lighthouse
- Absolom Riggs House
- Abyssinian Meeting House
- Acacia Lodge
- Academia Pomeroy Covered Bridge
- Academie Brochu
- Academy Building (Fall River, Massachusetts)
- Academy Building (University of Southern Maine)
- Academy Grove Historic District
- Academy Hall (Edinboro University of Pennsylvania)
- Academy Hall (Rocky Hill, Connecticut)
- Academy Hill Historic District (Andover, Massachusetts)
- Academy Hill Historic District (Greensburg, Pennsylvania)
- Academy Hill Historic District (Statesville, North Carolina)
- Academy Hill Historic District (Stroudsburg, Pennsylvania)
- Academy Historic District
- Academy Street Historic District (Madison, North Carolina)
- Academy Street Historic District (Poughkeepsie, New York)
- Academy Street School
- Academy at Palumbo
- Academy of Medicine (Atlanta)
- Academy of Music (Lynchburg, Virginia)
- Academy of Music (Philadelphia)
- Academy of Our Lady of Mercy, Lauralton Hall
- Academy of Richmond County
- Acadia National Park carriage paths, bridges and gatehouses
- Acadia Plantation
- Acadia Ranch
- Acadian House (Guilford, Connecticut)
- Acadian Landing Site
- Acadian Village (Van Buren, Maine)
- Accokeek Creek Site
- Accokeek Furnace Archeological Site
- Accomac Historic District
- Ace Art Company
- Ace Theatre
- Ace of Clubs House
- Acequia Madre (Las Vegas, New Mexico)
- Achenbach House
- Achille Duquesne House
- Achmester
- Acker and Evans Law Office
- Ackerhurst Dairy Barn
- Ackerman House (252 Lincoln Avenue, Ridgewood, New Jersey)
- Ackerman House (Saddle River, New Jersey)
- Ackerman-Boyd House
- Ackerman-Dater House
- Ackerman-Dewsnap House
- Ackerman-Smith House
- Ackerville Baptist Church of Christ
- Ackins House
- Acklin Store
- Acme Building
- Acme Farm Supply Building
- Acme-McCrary Hosiery Mills
- Acoa
- Acoma Curio Shop
- Acoma Pueblo
- Acona Church, Cemetery, and School
- Acorn Hall
- Acors Barns House
- Acquinsicke
- Acre Family Barn
- Acting Superintendent's Headquarters
- Acton Centre Historic District
- Acton High School (Massachusetts)
- Acton House
- Acueducto de Ponce
- Acushnet Heights Historic District
- Acworth Congregational Church
- Acworth Downtown Historic District
- Acworth Silsby Library
- Ad-Lin Building
- Ada Arts and Heritage Center
- Ada Covered Bridge
- Ada Odd Fellows Temple
- Ada Thompson Memorial Home
- Ada Village Hall
- Ada station
- Adair County Courthouse (Iowa)
- Adair County Courthouse (Kentucky)
- Adair County Courthouse (Missouri)
- Adair County Courthouse (Oklahoma)
- Adair County Free Press Building
- Adair Viaduct
- Adairs Covered Bridge
- Adaland
- Adam Brown Block
- Adam C. Arnold Block
- Adam Clarke Nutt Mansion
- Adam Dunlap Farmstead
- Adam Fisher Homestead
- Adam Hilton House
- Adam Ivy House
- Adam Keeling House
- Adam Kurtz House
- Adam Lobell House
- Adam Orris House
- Adam P. Leighton House
- Adam Pence House
- Adam Spach Rock House Site
- Adam Stephen House
- Adam Thoroughgood House
- Adam Vandelinda House
- Adam Wall House
- Adam and Johanna Feldman House
- Adam and Mary Smith House
- Adam and Minnie Royhl House
- Adam-Derby House
- Adams Academy
- Adams Apartment Building
- Adams Avenue Bridge
- Adams Avenue Historic District
- Adams Block
- Adams Building (Danville, Illinois)
- Adams Building (Quincy, Massachusetts)
- Adams Building (Sault Ste. Marie, Michigan)
- Adams Claflin House
- Adams Commercial Historic District
- Adams County Courthouse (Colorado)
- Adams County Courthouse (Idaho)
- Adams County Courthouse (Indiana)
- Adams County Courthouse (North Dakota)
- Adams County Courthouse (Pennsylvania)
- Adams County Courthouse (Wisconsin)
- Adams County Jail (Corning, Iowa)
- Adams County Paleo-Indian District
- Adams Covered Bridge
- Adams Farm (Harrisville, New Hampshire)
- Adams Farm (Princess Anne, Maryland)
- Adams Gristmill Warehouse
- Adams Grove Presbyterian Church
- Adams Home Farm
- Adams Hotel
- Adams House (Carson City, Nevada)
- Adams House (Salvisa, Kentucky)
- Adams Memorial (Saint-Gaudens)
- Adams Memorial Building
- Adams Mill
- Adams Mill Covered Bridge
- Adams National Historical Park
- Adams Odd Fellows Hall
- Adams Power Plant Transformer House
- Adams R., Frederick L. and Martha (Taylor) Knott House
- Adams School (Findlay, Ohio)
- Adams Street Double House
- Adams Street Historic District
- Adams Street Shul
- Adams Woodframe Grain Elevator
- Adams and Sickles Building
- Adams site
- Adams station (New York Central Railroad)
- Adams-Crocker-Fish House
- Adams-Edwards House
- Adams-Higgins House
- Adams-Leslie House
- Adams-Magoun House
- Adams-Matheson House
- Adams-Nervine Asylum
- Adams-Pickering Block
- Adams-Ryan House
- Adamson House
- Adamson Mounds Site
- Adams–Chadeayne–Taft Estate
- Adams–Clarke House
- Adams–Fairview Bonanza Farm
- Adams–Gray House
- Adams–Myers–Bryan Farmstead
- Adar House
- Aday-Stephenson House
- Adderton–Badgett House
- Addington Gardner House
- Addison Apartments
- Addison B. Colvin House
- Addison Baptist Church
- Addison Hill House
- Addison Kimball House
- Addison Prentiss House
- Addison Village Hall
- Adel Bridge
- Adel Public Square Historic District
- Adelaide Avenue School
- Adelaide L. T. Douglas House
- Adelbert Hall
- Adele Ilfeld Auditorium
- Adelphi School
- Aden site
- Adena Court Apartments
- Adena Mansion
- Adena mound
- Aderholdt's Mill
- Adgate Block
- Adin Supply Company
- Adin Wheeler House and Theodore F. Wheeler Wheelwright Shop
- Adirondack Cottage Sanitarium
- Adirondack Iron and Steel Company
- Adirondack Park
- Adlai E. Stevenson I House
- Adlai E. Stevenson II Farm
- Adler House
- Adler Planetarium
- Administration Building (Alamogordo, New Mexico)
- Administration Building (Lake Erie College)
- Administration Building (Portales, New Mexico)
- Administration Building (Randolph Air Force Base)
- Administration Building, Carnegie Institution of Washington
- Administration Building, Decatur Baptist College
- Administration Building, Indiana Central University
- Administration Building, Missouri State Fruit Experiment Station
- Administration Building, Treasure Island
- Administration Building, University of Central Arkansas
- Administration Buildings (Boca Raton, Florida)
- Administration/Science Building
- Admiral Apartments
- Admiral David Glasgow Farragut Gravesite
- Admiral Dewey (tugboat)
- Admiral Theatre (Seattle)
- Admiral's House (Governors Island)
- Adobe Flores
- Adobe Walls, Texas
- Adolf Muench House
- Adolfo Canyon Site
- Adolph Block
- Adolph Boesel House
- Adolph Brower House
- Adolph H. Kayser House
- Adolph J. Zang House
- Adolph Levin Cottage
- Adolph Lomb House
- Adolph Meyer School
- Adolph O. Eberhart House
- Adolph Schreiber House
- Adolph Zang Mansion
- Adolphus Hotel
- Adolphus W. Brower House
- Adolphus W. Umstead House
- Adolphus and Sarah Ingalsbe House
- Adon Smith House
- Adoniram Masonic Lodge
- Adrian Barela House
- Adrian Brewer Studio
- Adrian Engine House No. 1
- Adrian Public Library
- Adriance Memorial Library
- Adriatic Mills
- Adsit Cobblestone Farmhouse
- Adsit House
- Adsit Log Cabin
- Adsmore
- Advance Mills, Virginia
- Advance Thresher/Emerson-Newton Implement Company
- Advent Camp Meeting Grounds Historic District
- Advent Christian Church (John Day, Oregon)
- Advent Historic District
- Adventure (1926 schooner)
- Adventuress (schooner)
- Aerial Lift Bridge
- Aetna Diner
- Aetna Earthworks
- Aetna Hose, Hook and Ladder Company Fire Station No. 1
- Aetna Hose, Hook and Ladder Company, Fire Station No. 2
- Aetna Springs Resort
- Aetna Station No. 5
- Afao
- Affton High School
- African American Military History Museum
- African American Museum and Library at Oakland
- African Burial Ground National Monument
- African Cemetery No. 2 (Lexington, Kentucky)
- African Cemetery at Higgs Beach
- African Church (St. Charles, Missouri)
- African Jackson Cemetery
- African Meeting House
- African Methodist Episcopal Church (Cumberland, Maryland)
- African Queen (boat)
- African Zion Baptist Church
- African-American Cemetery (Montgomery, New York)
- Africatown
- Afro-American Insurance Company Building
- Afro-American Sons and Daughters Hospital
- Aftermath Clubhouse
- Afton Villa Gardens
- Agana Historic District
- Agana Spanish Bridge
- Agana-Hagatna Pillbox
- Agassiz Bedrock Outcrop
- Agassiz School
- Agat Invasion Beach
- Agat World War II Amtrac
- Agate Basin Site
- Agate Fossil Beds National Monument
- Agate House Pueblo
- Agate Pass Bridge
- Agawam Center Historic District
- Agawam Diner
- Age-Herald Building
- Agecroft Hall
- Agee House
- Agen Warehouse
- Agger Rockshelter
- Aggergaard Manor
- Aggie Hall
- Aggie Workshop
- Agler–La Follette House
- Agnes Howard Hall
- Agnes M. Tamblyn House
- Agnes Vaille Shelter
- Agnew Hunter Bahnson House
- Agnews Developmental Center
- Agora Theatre and Ballroom
- Agricultural Engineering Building
- Agricultural Experiment Station Barn
- Agricultural Heating Station
- Agricultural and Technical College of North Carolina Historic District
- Agriculture Building
- Agriculture Hall (Madison, Wisconsin)
- Aguayo Aldea Vocational High School
- Aguayo Family Homestead
- Agudath Sholem Synagogue
- Ah Louis
- Ah Toy Garden
- Ahavas Shalom Reform Temple
- Ahavas Sholem Synagogue
- Ahavath Achim Synagogue
- Ahavath Beth Israel (Boise, Idaho)
- Ahearn House and Summer House
- Ahijah Wood House
- Ahnapee Brewery
- Ahoskie Downtown Historic District
- Ahoskie Historic District
- Ahoskie School
- Ahu A ʻUmi Heiau
- Ahwahnee Hotel
- Ai J. White Duplex
- Aigler Alumni Building
- Aiken Colored Cemetery
- Aiken House (Rensselaer, New York)
- Aiken Mile Track
- Aiken Stand Complex
- Aiken Tennis Club
- Aiken Training Track
- Aiken Winter Colony Historic District I
- Aiken Winter Colony Historic District II
- Aiken Winter Colony Historic District III
- Aiken's Hotel
- Aiken's Tavern Historic District
- Aiken's Wash
- Ailes House (Crystal Springs, Mississippi)
- Aillet House
- Ailsa Farms
- Aimwell Baptist Church
- Ainahou Ranch
- Ainsley House
- Ainsworth House (Big Trails, Wyoming)
- Ainsworth House (Thompson Falls, Montana)
- Air Mobility Command Museum
- Airai Bai
- Aircraft Warning Service Observation Tower
- Airdrie (Nashville, Tennessee)
- Airlie (Natchez)
- Airmount Grave Shelter
- Airplane Service Station
- Airport Clear Zone Archeological Site
- Airtight Bridge
- Airview Historic District
- Airville
- Airway Radio Station
- Airy Hill
- Airy Mount
- Aisquith Farm E Archeological Site
- Aitken Barn
- Aitkin Carnegie Library
- Aitkin County Courthouse and Jail
- Aitkin station
- Ajax Metal Company Plant
- Ake Site
- Aker Cemetery
- Akin Free Library
- Akron Cemetery
- Akron Civic Theatre
- Akron Fulton International Airport Administration Building
- Akron Gymnasium
- Akron Jewish Center
- Akron Opera House
- Akron Post Office and Federal Building
- Akron Public Library
- Akron YMCA Building
- Al Mac's Diner-Restaurant
- Al Thompson and Son's Feed and Seed Company
- Al's Diner
- Al's Motors
- Al. Ringling Theatre
- Ala Kahakai National Historic Trail
- Alabama A&M University
- Alabama City Wall Street Historic District
- Alabama Governor's Mansion
- Alabama Methodist Church
- Alabama Penny Savings Bank
- Alabama State Capitol
- Alabama State University Historic District
- Alabama Theatre
- Alabaster Historic District
- Aladdin Theater
- Alamance Battleground
- Alamance County Courthouse
- Alamance Hotel
- Alamance Mill Village Historic District
- Alameda Apartments
- Alameda City Hall
- Alameda County Building and Loan Association Building
- Alameda County Fairgrounds
- Alameda Free Library
- Alameda High School
- Alameda Veterans' Memorial Building
- Alameda Works Shipyard
- Alameda-Depot Historic District
- Alamo Hotel
- Alamo Hueco Site
- Alamo Methodist Church
- Alamo Mission
- Alamo Placita Park
- Alamo Plaza Historic District
- Alamo Ranchhouse
- Alamo Stadium
- Alamogordo Woman's Club
- Alamosa County Courthouse
- Alan Mack Site (38OR67)
- Alan West Corson Homestead
- Alango School
- Alanson Green Farm House
- Alapaha Colored School
- Alasa Farms
- Alaska Central Railroad Tunnel No. 1
- Alaska Engineering Commission Cottage No. 23
- Alaska Engineering Commission Cottage No. 25
- Alaska Governor's Mansion
- Alaska Highway
- Alaska Native Brotherhood Hall
- Alaska Nellie's Homestead
- Alaska Steam Laundry
- Alaska Trade Building
- Alaskan Hotel and Bar
- Alban Towers
- Albania (Edenton, North Carolina)
- Albania Plantation House
- Albany Avenue Historic District
- Albany City Hall
- Albany Felt Company Complex
- Albany Glassworks Site
- Albany Institute of History & Art
- Albany Monteith Historic District
- Albany Mounds State Historic Site
- Albany Municipal Airport (Oregon)
- Albany Municipal Auditorium
- Albany Pump Station
- Albany Rural Cemetery
- Albany Street Historic District
- Albany Theatre (Albany, Georgia)
- Albany Town House
- Albany Trust Company Building
- Albany, Alabama
- Albemarle County Courthouse Historic District
- Albemarle and Chesapeake Canal
- Albemarle–Kenmore Terraces Historic District
- Albergue Caritativo Tricoche
- Albers Brothers Mill
- Albers Brothers Milling Company
- Albert Albers Barn
- Albert Ayer House
- Albert Baird Cummins House
- Albert Beck House
- Albert Bishop Chance House and Gardens
- Albert C. and Ellen H. Neufeld House
- Albert Campbell House
- Albert Carlton Estate
- Albert City station
- Albert E. Clore House
- Albert E. Sleeper House
- Albert E. Thornton House
- Albert E. and Emily Wilson House
- Albert Einstein House
- Albert Field Tack Company
- Albert Fisher Mansion and Carriage House
- Albert G. Henry Jr. House
- Albert Gallatin Blakey House
- Albert Gallatin Memorial Bridge
- Albert H. Kelly House
- Albert H. Sears House
- Albert H. Tanner House
- Albert H. Wheeler House
- Albert J. Zabriskie Farmhouse
- Albert Kahn House
- Albert Kiene House
- Albert Krog House
- Albert Lammers House
- Albert Lea station
- Albert M. and Alice Bellack House
- Albert Maack House
- Albert May House
- Albert McCoy Farm
- Albert Neal Durden House
- Albert Ott House
- Albert Palmer House
- Albert Pike Memorial Temple
- Albert Pike Residence Hotel
- Albert R. Fox House
- Albert Retan House
- Albert Ridyard Three-Decker
- Albert S. Brandeis Elementary School
- Albert S. Heck Mansion
- Albert S. Piper Homestead Claim Shanty
- Albert S. Sholes House
- Albert Slingerland House
- Albert Smith House (Waldwick, New Jersey)
- Albert Soffel House
- Albert Spencer Wilcox Beach House
- Albert Spencer Wilcox Building
- Albert Swain Bryson House
- Albert Sweet House
- Albert Van Blarcom House
- Albert Vinal House
- Albert W. Ferguson House
- Albert W. Henn Mansion
- Albert Watkins House
- Albert Whisinant House
- Albert Zahn House
- Albert and Celestine Mabey House
- Albert and Edith Adelman House
- Albert and Letha Green House and Barn
- Albert and Liberal Arts Halls
- Albert and Lina Stenger House
- Albert and Mary Shekey House
- Albert and Minna Ten Eyck Round Barn
- Albert and Theresa Marx House
- Albert and Wilhelmina Thomas House
- Alberta Teachers House
- Albertina Kerr Nursery
- Alberton School
- Alberton station
- Alberts Chapel
- Albertson and Company-Rocklin Manufacturing Company
- Albertus Building
- Albertus L. Meyers Bridge
- Albertus Ledbetter House
- Albertus Van Loon House
- Albertville Depot
- Albia Square and Central Commercial Historic District
- Albin B. Swindell House and Store
- Albin Polasek House and Studio
- Albion (Winnsboro, South Carolina)
- Albion Carnegie Library
- Albion Carpet Mill
- Albion Courthouse Square Historic District
- Albion Flats
- Albion Methodist Church
- Albion River Bridge
- Albion State Bank
- Albion State Normal School
- Albion Walker Chalkrock House
- Albion, Rhode Island
- Albrecht C. Ringling House
- Albree-Hall-Lawrence House
- Albright Bridge
- Albright House (Fort Madison, Iowa)
- Albright Memorial Building
- Albright-Dukes House
- Albuquerque Veterans Administration Medical Center
- Alburg Springs–Clarenceville Border Crossing
- Alcatraz Island
- Alcazar Hotel (Cleveland Heights, Ohio)
- Alcides Figueroa Bilingual School
- Alco Apartments
- Alco School
- Alcoa Care-free Home
- Alcoa Edgewater Works
- Alcorn State University Historic District
- Alcove Historic District
- Alcove Springs
- Aldea Linda Residential Historic District
- Alden B. Dow Office and Lake Jackson City Hall
- Alden Batchelder House
- Alden Bridge
- Alden Bryan House
- Alden Dow House and Studio
- Alden Hanson House
- Alden House (Bentonville, Arkansas)
- Alden Park Manor
- Alden Park Towers
- Alden Public Library
- Alden Tavern Site
- Alden Villa
- Alden and Thomasene Howell House
- Alden, Babcock and Calvert Apartments
- Alden-Delehanty Block
- Alderman House
- Alderman School District No. 78
- Alderman's 20 Stores in One
- Alderson Bridge
- Alderson Historic District
- Alderson-Coston House
- Alderton School
- Aldie Mill Historic District
- Aldo Leopold Neighborhood Historic District
- Aldo Leopold Shack and Farm
- Aldrich Building
- Aldrich Free Public Library
- Aldrich Godfrey and White Block
- Aldrich Mansion
- Aldrich Public Library
- Aldrich–Genella House
- Aldridge H. Vann House
- Aldridge Hotel (McAlester, Oklahoma)
- Aldridge Hotel (Shawnee, Oklahoma)
- Aldus Chapin Higgins House
- Aldworth Manor
- Alert-Hatcher Building
- Alesia (Broussard, Louisiana)
- Alewife Brook Parkway
- Alex Cole Cabin
- Alex Haley House and Museum
- Alex Halone House
- Alex Loeb Building
- Alex Seitaniemi Housebarn
- Alex Theatre
- Alex Williams House
- Alex and Mary Alice Johnson House
- Alex. Brown & Sons Building
- Alexander & Anna Schwartz Farm
- Alexander & Baldwin
- Alexander B. and Anna Balch Hamilton House
- Alexander Bache U.S. Coast Survey Line
- Alexander Bishop House
- Alexander Boyter House
- Alexander Briggs House
- Alexander Brown House
- Alexander Brownlie House
- Alexander Campbell Mansion
- Alexander Chapoton House
- Alexander Chene House
- Alexander City Commercial Historic District
- Alexander Clark House
- Alexander Classical School
- Alexander Conner House
- Alexander Crummell School
- Alexander D. McDougall House
- Alexander Eustace House
- Alexander Ewing House
- Alexander Faribault House
- Alexander Foster House
- Alexander Grzelachowski House and Store
- Alexander Hamilton House
- Alexander Hamilton U.S. Custom House
- Alexander Haynes House
- Alexander Herschel and Pauline G. McMicken House
- Alexander Hogan Plantation
- Alexander Hoover House
- Alexander Hotel (Reidsville, Georgia)
- Alexander Hotel (St. Petersburg, Florida)
- Alexander House (Boise, Idaho)
- Alexander House (Salida, Colorado)
- Alexander House (Spartanburg, South Carolina)
- Alexander Inn (Swannanoa, North Carolina)
- Alexander Johnston Hall
- Alexander K. McClure School
- Alexander Kelly House
- Alexander King House
- Alexander Lake Shelter Cabin
- Alexander Laws House
- Alexander Liddle Farmhouse
- Alexander Long House
- Alexander Manufacturing Company Mill Village Historic District
- Alexander Marsh House
- Alexander McClew Farm House
- Alexander McMillan House
- Alexander McNish House
- Alexander McVeigh Miller House
- Alexander Moore Farm
- Alexander Nevsky Chapel, Akutan
- Alexander Noble House
- Alexander Organ House
- Alexander P. and James S. Waugh House
- Alexander Pirnie Federal Building
- Alexander Plantation House
- Alexander Ramsey House
- Alexander Smith Carpet Mills Historic District
- Alexander Smith House (Brentwood, Tennessee)
- Alexander St. Clair House
- Alexander Standish House
- Alexander State Forest Headquarters Building
- Alexander Taylor Rankin House
- Alexander Thoirs House
- Alexander Thompson House
- Alexander V. Boughner House
- Alexander Van Rensselaer House
- Alexander W. Arbuckle I House
- Alexander Wade House
- Alexander Watson Batte House
- Alexander Willis House
- Alexander Woods House
- Alexander Young Cabin
- Alexander and Busey Houses
- Alexander and Elizabeth Aull Graves House
- Alexander and James Linn Homestead
- Alexander and Nellie P. Cordner House
- Alexander-Dickman Hall
- Alexanders (Boise, Idaho)
- Alexander–Hill House
- Alexander–Withrow House
- Alexandre Latiolais House
- Alexandre Mouton House
- Alexandria Canal (Virginia)
- Alexandria City Hall
- Alexandria Garden District
- Alexandria Hall-Louisiana College
- Alexandria Historic District
- Alexandria Hotel and Annex
- Alexandria Museum of Art
- Alexandria National Cemetery (Louisiana)
- Alexandria National Cemetery (Virginia)
- Alexandria Union Station
- Alexandria station (Minnesota)
- Alexis Boyer House
- Alexis Opera House
- Alexis Phelps House
- Alford–Nielson House
- Alfred A. Robb House
- Alfred A. Schiller House
- Alfred Ayer House
- Alfred B. Maclay Gardens State Park
- Alfred Bersbach House
- Alfred Budge House
- Alfred Buffat Homestead
- Alfred C. and Annie L. Olsen Anderson House
- Alfred C. and Nettie Ruby House
- Alfred Caldwell Lily Pool
- Alfred Dockery House
- Alfred Dolge Hose Co. No. 1 Building
- Alfred Douglass House
- Alfred Drowne Road Historic District
- Alfred Dunk House
- Alfred E. Dickey Free Library
- Alfred E. Robindreau House
- Alfred E. Smith House
- Alfred H. Renshaw House
- Alfred H. Richards House
- Alfred H. and Mary E. Smith House
- Alfred H. and Sarah Frahm House
- Alfred Hanson House
- Alfred Hatch Place at Arcola
- Alfred Hebard House
- Alfred Hirt House
- Alfred Historic District
- Alfred Hocking House
- Alfred Horatio Belo House
- Alfred I. DuPont Building
- Alfred J. Comeau House
- Alfred J. and Georgia A. Armstrong House
- Alfred L. Hudson House
- Alfred Lindorff House
- Alfred M. Bergere House
- Alfred M. Glossbrenner Mansion
- Alfred McCune Home
- Alfred Moore Scales Law Office
- Alfred Paull House
- Alfred Phillips House
- Alfred R. Voss Farmstead
- Alfred Rowland House
- Alfred Shaker Historic District
- Alfred Simonson House
- Alfred Street Baptist Church
- Alfred Village Historic District
- Alfred Vinton House
- Alfred W. Greer House
- Alfred W. Henson House
- Alfred W. Morrison House
- Alfred Webb Investment Properties
- Alfred William Harper House
- Alfred Williams House
- Alfred and Clara Sevareid House
- Alfred and Hennie Huetter House
- Alfred and Magdalena Schmid Farmstead
- Alfred and Martha Jane Thompson House and Williams Barn
- Alfred and Olive Thorpe Lustron House
- Alfrey-Brown House
- Alger Theater
- Algeria Shrine Temple
- Algernon Bangs House
- Alger–Sullivan Lumber Company Residential Historic District
- Algiers Point
- Algodones 2 (12VPr2-204)
- Algodones 3 (12VPr2-205)
- Algoma Boulevard Historic District
- Algoma Boulevard United Methodist Church
- Algoma Coal and Coke Company Store
- Algona Junior and Senior High School Building and High School Building Annex
- Algonquin Printing Co.
- Algood United Methodist Church
- Alhambra Apartments (Sioux City, Iowa)
- Alhambra Theatorium
- Alhambra Theatre (El Paso, Texas)
- Alibates Flint Quarries National Monument
- Alibi Club
- Alice (Jeanerette, Louisiana)
- Alice Austen House
- Alice Beck Cabin
- Alice C Plantation House
- Alice Creek Historic District
- Alice Druhot House
- Alice French House (Davenport, Iowa)
- Alice Henderson Strong House
- Alice Lord Goodine House
- Alice M. Ward Library
- Alice T. Miner Museum
- Aliceton Camp Meeting Ground
- Aliceville Elementary and High School
- Aline Covered Bridge
- Aline IOOF Lodge No. 263
- Aliquippa station
- Aliʻiōlani Hale
- Alkabo School
- Alkali Flat Historic District
- Alkali Ridge
- Alkemeyer Commercial Buildings
- Alkire House
- Alku and Alku Toinen
- All American Bank Building
- All Faith Church
- All Faiths Chapel
- All Hallows Church (South River, Maryland)
- All Hallows Episcopal Church
- All Hallows Guild Carousel
- All Saints Catholic Church (Houston)
- All Saints Catholic Church (New Riegel, Ohio)
- All Saints Catholic Church (Stuart, Iowa)
- All Saints Catholic Church (Taylorsville, Kentucky)
- All Saints Chapel (Raleigh, North Carolina)
- All Saints Chapel and Morris Family Burial Ground
- All Saints Church (Pawleys Island, South Carolina)
- All Saints Church (Peterborough, New Hampshire)
- All Saints Church at Monie
- All Saints Church of Eben Ezer
- All Saints Episcopal Church (DeQuincy, Louisiana)
- All Saints Episcopal Church (Denver)
- All Saints Episcopal Church (Enterprise, Florida)
- All Saints Episcopal Church (Northfield, Minnesota)
- All Saints Episcopal Church (Portsmouth, Ohio)
- All Saints Episcopal Church (Rehoboth Beach, Delaware)
- All Saints Episcopal Church (Saugatuck, Michigan)
- All Saints Episcopal Church (Valley City, North Dakota)
- All Saints Episcopal Church (Winter Park, Florida)
- All Saints Historic District
- All Saints Memorial Church
- All Saints School (Sioux Falls, South Dakota)
- All Saints' Church (Easton, Maryland)
- All Saints' Church (Sunderland, Maryland)
- All Saints' Episcopal Church (Austin, Texas)
- All Saints' Episcopal Church (Briarcliff Manor, New York)
- All Saints' Memorial Church (Navesink, New Jersey)
- All Souls Chapel (Poland Spring, Maine)
- All Souls Church (Augusta, Maine)
- All Souls Church (Braintree, Massachusetts)
- All Souls Church (Scott, Arkansas)
- All Souls Church (Tannersville, New York)
- All Souls Church, Unitarian (Washington, D.C.)
- All Souls Congregational Church (Bangor, Maine)
- All Souls Unitarian-Universalist Church
- All-Star Triangle Bowl
- Allaire Village
- Allamakee County Court House
- Allamuchy Freight House
- Allan Herschell 3-Abreast Carousel
- Allan Miller House
- Allan Teator Road Stone Arch Bridge
- Allandale Farm
- Allardt Presbyterian Church
- Allbach House
- Allee House (Dutch Neck Crossroads, Delaware)
- Alleghany County Courthouse (North Carolina)
- Alleghany Mennonite Meetinghouse
- Alleghany Springs Springhouse
- Allegheny Aqueduct
- Allegheny Baptist Church
- Allegheny Cemetery
- Allegheny Commons
- Allegheny County Courthouse
- Allegheny Furnace
- Allegheny High School
- Allegheny Observatory
- Allegheny Portage Railroad
- Allegheny Post Office
- Allegheny River Lock and Dam No. 2
- Allegheny River Lock and Dam No. 3
- Allegheny River Lock and Dam No. 4
- Allegheny River Lock and Dam No. 5
- Allegheny River Lock and Dam No. 6
- Allegheny River Lock and Dam No. 7
- Allegheny River Lock and Dam No. 8
- Allegheny River Lock and Dam No. 9
- Allegheny West (Pittsburgh)
- Allemarinda and James Wyer House
- Allen Academy Memorial Hall
- Allen Centennial Gardens
- Allen Chapel A.M.E. Church (Murfreesboro, Tennessee)
- Allen Chapel AME Church (Fort Worth, Texas)
- Allen Chapel African Methodist Episcopal Church (Lincoln, Illinois)
- Allen Chapel African Methodist Episcopal Church (Terre Haute, Indiana)
- Allen County Courthouse (Indiana)
- Allen County Courthouse (Ohio)
- Allen County Jail
- Allen County Museum
- Allen County Poor Farm
- Allen Crocker Curtis House–Pillar House
- Allen Dial House
- Allen Grove (Alabama)
- Allen Hazen Water Tower
- Allen Hotel
- Allen House (Bon Secour, Alabama)
- Allen House (Burlington, North Carolina)
- Allen House (Clarksville, Tennessee)
- Allen House (Dyersville, Iowa)
- Allen House (Keachi, Louisiana)
- Allen House (Lowell, Massachusetts)
- Allen House (Shrewsbury, New Jersey)
- Allen Island (Maine)
- Allen Jay School Rock Gymnasium
- Allen Memorial Medical Library
- Allen Mercantile Company
- Allen Parish Courthouse
- Allen Place–Lincoln Street Historic District
- Allen School (La Moille, Illinois)
- Allen Steinheim Museum
- Allen Street Historic District
- Allen Temple A.M.E. Church (Greenville, South Carolina)
- Allen University Historic District
- Allen Water Station
- Allen's Cider Mill
- Allen's Opera House
- Allen-Barringer House
- Allen-Beville House
- Allen-Mangum House
- Allen-White School
- Allendale Chert Quarries Archeological District
- Allendale County Courthouse
- Allendale Mill
- Allendale Plantation
- Allenhurst (Scott County, Kentucky)
- Allenhurst station
- Allenhurst, New Jersey
- Allenstown Meeting House
- Allensville Historic District
- Allentown Bridge
- Allentown Masonic Temple
- Allentown Mill
- Allentown National Bank
- Allentown Union Hall
- Allentown, Buffalo
- Allentown, New Jersey
- Allenville Mill Storehouse
- Allenwood Farm
- Allenwood River Bridge
- Allen–Lambe House
- Allen–Madison House
- Allen–West House
- Alley Spring Roller Mill
- Allgates
- Alliance Bank Building
- Alliance Clay Product Company
- Alliance Commercial Historic District
- Alliance Furnace
- Allie M. Best House
- Allied Arts Building
- Alligator Effigy Mound
- Alligator Reef Light
- Alligerville Historic District
- Allin House
- Alling & Cory Buffalo Warehouse
- Allis State Park
- Allis-Bushnell House
- Allison Dormitory
- Allison Guard Station
- Allison Mansion
- Allison Plantation
- Allison Woods
- Allison-Reinkeh House
- Allison-Robinson House
- Allmand–Archer House
- Allouez Pump House
- Allouez Water Department and Town Hall
- Alloways Creek Friends Meetinghouse
- Allsop-Jensen House
- Allstadt House and Ordinary
- Allston Congregational Church
- Allton Building
- Allyn House (Arlington, Massachusetts)
- Allyn Steele House
- Alma (1891)
- Alma City Auditorium and Sale Barn
- Alma Compton House
- Alma Crosby House
- Alma Depot
- Alma Downtown Historic District (Alma, Kansas)
- Alma Downtown Historic District (Alma, Michigan)
- Alma Historic District
- Alma Staker House
- Alma Thomas House
- Almand-O'Kelley-Walker House
- Almeda Road Bridge over Brays Bayou
- Almer Store
- Almeron Durkee House
- Almeron and Olive Smith House
- Almon A. Covey House
- Almon Asbury Lieuallen House
- Almon W. and Dr. Mary E. Spaulding Ranch
- Almond A. White House
- Almont Apartments
- Alms and Doepke Dry Goods Company
- Almshouse (Cambridge, Massachusetts)
- Almshouse (Stoneham, Massachusetts)
- Almshouse Farm at Machipongo
- Alna Meetinghouse
- Alna School
- Alnwick Hall
- Aloah Hotel
- Aloha Camp
- Aloha Farmhouse
- Aloha Hive Camp
- Aloha Horizons Camp
- Aloha Tower
- Alois Herbert Double House
- Alois and Annie Weber House
- Alonzo Foringer House and Studio
- Alonzo J. and Flora Barkley House
- Alonzo T. Prentice House
- Alonzo W. Olds House
- Alonzo Ward Hotel
- Aloys Bilz House
- Alpena County Courthouse
- Alpena Light
- Alpenhof Lodge
- Alpha Delta Phi Fraternity House (Champaign, Illinois)
- Alpha Delta Pi Sorority House (Urbana, Illinois)
- Alpha Gamma Delta Fraternity House
- Alpha House (Detroit)
- Alpha M. Cheney House
- Alpha Phi Fraternity House-Beta Alpha Chapter (Champaign, Illinois)
- Alpha Phi Sorority House (Eugene, Oregon)
- Alpha Rho Chi Fraternity House (Champaign, Illinois)
- Alpha Tau Omega Fraternity House (Reno, Nevada)
- Alpha Tau Omega Fraternity House (West Lafayette, Indiana)
- Alpha Terrace Historic District
- Alpha Xi Delta Sorority Chapter House (Champaign, Illinois)
- Alphabet Historic District
- Alpheus Gay House
- Alpheus Jones House
- Alpheus Mead House
- Alpheus Truett House
- Alphonse Calhoun Avery House
- Alphonse Gaulin Jr. House
- Alphonso Johnson House
- Alpine City Hall
- Alpine County Courthouse
- Alpine Elementary School (Alpine, Arizona)
- Alpine Hose Company No. 2
- Alpine Institute
- Alpine LDS Church Meetinghouse
- Alpine Tunnel
- Alston House (Columbia, South Carolina)
- Alston-DeGraffenried Plantation
- Alston–Cobb House
- Alta Mesa Farm Bureau Hall
- Alta Public Library
- Alta Vista Terrace District
- Alta Vista–Camp Fornance–Newman Park Historic District
- Altadena Apartments
- Altair Campground Community Kitchen
- Altamaha Apartments
- Altamaha Town
- Altamahaw Mill Office
- Altamont Historic District
- Altamont Hotel
- Altamont station
- Altaville Grammar School
- Altavista Downtown Historic District
- Altenheim (Oakland, California)
- Alternative Middle Years at James Martin School
- Altgeld Gardens Homes
- Altgeld Hall
- Altman House
- Alton Bay station
- Alton Chapter House
- Alton Club
- Alton Gas & Electric Power House
- Alton Lennon Federal Building and Courthouse
- Alton Military Prison
- Alton National Cemetery
- Alton Simmons House
- Altona (West Virginia)
- Altoona Armory
- Altus Well Shed-Gazebo
- Altus station
- Altwood
- Aluakpak
- Alum Spring
- Alumni Hall (Alfred, New York)
- Alumni Hall (Vanderbilt University)
- Alva Consolidated Schools
- Alva Fleharty House
- Alva Kitselman House
- Alvah Horace Whitmarsh House
- Alvah Kittredge House
- Alvah N. Belding Memorial Library
- Alvah Washington Townley Farmstead Historic District
- Alvarado Park
- Alvarado Terrace Historic District
- Alverson-Copeland House
- Alves Historic District
- Alvin Bushnell Bell House
- Alvin C. York Institute
- Alvin Eskelton Barn
- Alvin Miller House
- Alvin O. Lombard House
- Alvin S. Keys House
- Alvin T. Smith House
- Alvin and Annie Green House
- Alvin and Grace Washburn House
- Alviso, San Jose
- Alvord House
- Alvord I. Smith House
- Alwyn Court
- Alyeska Resort
- Amache National Historic Site
- Amalgamated Center
- Amalik Bay Archeological District
- Amana Colonies
- Amanda Blake Store
- Amanda Conk Best House
- Amanda K. Alger Memorial Methodist Episcopal Church
- Amanda Nesbitt House
- Amasa Day House
- Amasa Farrier Boardinghouse
- Amasa Farrier House
- Amawalk Friends Meeting House
- Amazeen House
- Amaziah and Cornelia (Wait) Cannon House
- Amazon Hosiery Mill
- Ambajejus Boom House
- Ambassador Apartments (Hartford, Connecticut)
- Ambassador Apartments (Portland, Oregon)
- Ambassador Apartments (Springfield, Missouri)
- Ambassador Hotel (Jacksonville)
- Ambassador Hotel (Tulsa, Oklahoma)
- Ambassador Theater (Baltimore, Maryland)
- Ambassador Theatre (St. Louis)
- Ambler Heights Historic District
- Ambler's Texaco Gas Station
- Amblers
- Amboy United Brethren Church
- Amboy and George Spencer Shipwreck Sites
- Amboy station
- Ambrose Burton House
- Ambrose Chapel
- Ambrose Hall
- Ambrose Hopkinson House
- Ambrose Lincoln Jr. House
- Ambrose Parsons House
- Ambrose S. Lapham House
- Ambrose Whittlesey House
- Ambrose-Ward Mansion
- Ambrose–Torquay Border Crossing
- Amelia Barr House
- Amelia Bloomer House
- Amelia Cottage Museum
- Amelia Earhart Birthplace
- Amelia Island Light
- Amelia Island Museum of History
- Amelia S. Givin Free Library
- Amelia Stewart House
- Amelia Street Historic District
- Amelita Galli-Curci Estate
- Amelung House and Glassworks
- America (shipwreck)
- America Fore Building
- America Street School
- America's Credit Union Museum
- American Airways Hangar and Administration Building
- American Antiquarian Society
- American Apartment Building
- American Association, Limited, Office Building
- American Bag Co.-Union Hide Co.
- American Bank Building
- American Bank Note Company Building
- American Baptist College
- American Baptist Publication Society building
- American Beach, Florida
- American Boathouse
- American Box Board Company Headquarters and Factory
- American Brewery (building)
- American Brewing Company Plant
- American Can Company Building
- American Can Company Complex
- American Can Company of Utah Building Complex
- American Cemetery
- American Chicle Company Building
- American Cigar Company (Norfolk, Virginia)
- American Cigar Company (Trenton, New Jersey)
- American Cigar Factory
- American Civil War Museum
- American Club (Kohler, Wisconsin)
- American College of the Building Arts
- American Conservatory Theater
- American Eagle (schooner)
- American Exchange Bank
- American Express Building-Carroll
- American Federation of Labor Building
- American Fine Arts Society
- American Flag, Arizona
- American Fork Cemetery Rock Wall
- American Fork City Hall
- American Fork Historic District
- American Fork Presbyterian Church
- American Fork Second Ward Meetinghouse
- American Fork Third Ward Meetinghouse
- American Gothic House
- American Grain Complex
- American Hotel (Aztec, New Mexico)
- American Hotel (Sharon Springs, New York)
- American House
- American Ice Company
- American Ice Company Baltimore Plant No. 2
- American Institute of Pharmacy Building
- American Legion Building (Spartanburg, South Carolina)
- American Legion Cabin (Potlatch, Idaho)
- American Legion Forest CCC Shelter
- American Legion Hall (Eads, Colorado)
- American Legion Hall (McGill, Nevada)
- American Legion Hall (Olympia, Washington)
- American Legion Hall (Searcy, Arkansas)
- American Legion Hall (Shoshone, Idaho)
- American Legion Hall, Post 32
- American Legion Hut (Decatur, Mississippi)
- American Legion Hut (Edmond, Oklahoma)
- American Legion Hut (Hampton, South Carolina)
- American Legion Hut (Tahlequah, Oklahoma)
- American Legion Hut-Des Arc
- American Legion Memorial Bridge (Michigan)
- American Legion Memorial Building
- American Legion Post 199
- American Legion Post No. 121 Building
- American Legion Post No. 127 Building
- American Legion Post No. 131
- American Mills Web Shop
- American Museum of Natural History
- American National Bank Building (Alamosa, Colorado)
- American National Bank Building (Pensacola, Florida)
- American National Bank Building (Sarasota, Florida)
- American National Bank Building (West Palm Beach, Florida)
- American Net and Twine Company Factory
- American Optical Company Historic District
- American Peace Society house
- American Precision Museum
- American Printing Co. and Metacomet Mill
- American Radiator Building
- American Radiator Company Factory Complex
- American Railway Express Company Garage
- American Red Cross National Headquarters
- American Red Cross Volunteer Life Saving Corps Station
- American Republic Insurance Company Headquarters Building
- American Revolution Statuary
- American River Grange Hall No. 172
- American School of Wild Life Protection Historic District
- American Seating Company Factory Complex
- American Security and Trust Company Building
- American Sheet and Tin Mill Apartment Building
- American Shoal Light
- American Spinning Company Mill No. 2
- American State Bank (Berwyn, Illinois)
- American Stock Exchange Building
- American Supply Company Building
- American Swedish Institute
- American System-Built Homes
- American Telephone & Telegraph Co. Building (Davenport, Iowa)
- American Telephone and Telegraph Company Building (Denmark, South Carolina)
- American Temperance University
- American Thermos Bottle Company Laurel Hill Plant
- American Thread Building
- American Tobacco Company Prizery
- American Tobacco Company Warehouses Complex
- American Tobacco Company, South Richmond Complex Historic District
- American Tobacco Historic District
- American Trona Corporation Building
- American Trust and Savings Bank
- American Viscose Plant Historic District
- American Waltham Watch Company Historic District
- American Watch Tool Company
- American Women's League Chapter House (Peck, Idaho)
- American Woolen Company Foxcroft Mill
- American Woolen Company Townhouses
- American Woolen Mill Housing District
- American/Consolidated Tobacco Companies buildings
- Americanization School
- Americus, Georgia
- Ames Academy Building
- Ames Building
- Ames City Hall
- Ames Cottage
- Ames Creek Bridge
- Ames Family Homestead
- Ames Hill/Crescent Hill District
- Ames Hitchens Chicken Farm
- Ames Main Street Historic District
- Ames Manufacturing Company
- Ames Monument
- Ames Research Center
- Ames Schoolhouse
- Amesbury Friends Meeting House
- Amesbury and Salisbury Mills Village Historic District
- Ames–Florida House
- Amherst Avenue Historic District
- Amherst Central Business District
- Amherst Town Hall
- Amherst Village Historic District
- Amherst West Cemetery
- Amhoist Tower
- Ami and Amanda Oakley House
- Amis House (Fordyce, Arkansas)
- Amis House (Rogersville, Tennessee)
- Amis-Bragg House
- Amiss–Palmer House
- Amistad Gymnasium
- Amite County Courthouse
- Amite Female Seminary
- Amity School
- Ammadelle
- Amman (Spokane, Washington)
- Ammendale Normal Institute
- Ammi and William Wright House
- Ammidown-Harding Farmhouse
- Ammon Underwood House
- Ammunition Igloo
- Amo station
- Amon Clarence Thomas House
- Amoretti, Welty, Helmer & Co Bank
- Amory Ballroom
- Amory House
- Amory-Appel Cottage
- Amos Adams House
- Amos B. Coe House
- Amos Baldwin House
- Amos Block
- Amos Bristol Tavern
- Amos Bull House
- Amos Catlin Spafford House
- Amos Chase House and Mill
- Amos Cooke House
- Amos Deason House
- Amos Eno House
- Amos Flagg House
- Amos Fuller House
- Amos G. Winter House
- Amos Gerald House
- Amos Goodin House
- Amos Gould House
- Amos H. Root Building
- Amos Hulme Barn
- Amos Judkins House
- Amos Kelly House
- Amos Keyes House
- Amos Kling House
- Amos Lawrence House
- Amos Learned Farm
- Amos Morse House
- Amos Palmer House (Langhorne, Pennsylvania)
- Amos Stearns House
- Amos Wood House
- Amos and Lillie Plummer House
- Ampere station
- Amphitheater and Fieldstone WPA Features at Valley City Pioneer Park
- Ampthill (Cumberland County, Virginia)
- Amrita Club
- Amstel House
- Amsterdam Castle
- Amsterdam City Hall
- Amsterdam Free Library
- Amsterdam, New Jersey
- Amy B. Mitchell House
- Amzi Bradley Farmstead
- Anacapa Island Archeological District
- Anacapa Island Light
- Anaconda City Hall
- Anaconda Commercial Historic District
- Anaconda Saddle Club
- Anaconda Smelter Stack
- Anacostia Historic District
- Anaem Omot
- Anaheim Packing House
- Anamosa Main Street Historic District
- Anamosa Public Library
- Anamosa State Penitentiary
- Anamosa State Penitentiary Cemetery
- Anangula Archeological District
- Ananias Pitsenbarger Farm
- Anasazi State Park Museum
- Anawan Club Clubhouse and Caretaker's House
- Anawan Rock
- Anchorage Depot
- Anchorage Hotel
- Anchorage Memorial Park
- Anchuca
- Ancient Burying Ground
- Ancient Order of Hibernians Hall
- Ancient and Accepted Scottish Rite Temple
- Ancil Twitchell House
- Anclote Keys Light
- Andalucia Building
- Andalusia (Milledgeville, Georgia)
- Andalusia (estate)
- Anders Hintze House
- Anders and Johanna Olsson Farm
- Anderson Bank Building
- Anderson Barn (Hitchcock, South Dakota)
- Anderson Barn (Johnstown, Colorado)
- Anderson Boarding House
- Anderson Brothers Building
- Anderson Brothers Department Store
- Anderson Brothers Store
- Anderson Building
- Anderson Camp Ground
- Anderson Center for the Arts
- Anderson Chapel
- Anderson College Historic District
- Anderson County Courthouse (Kansas)
- Anderson County Courthouse (Texas)
- Anderson Downtown Historic District (Anderson, Indiana)
- Anderson Downtown Historic District (Anderson, South Carolina)
- Anderson Ferry
- Anderson Hall (Gainesville, Florida)
- Anderson Hall (Manhattan, Kansas)
- Anderson Hall (Maryville College)
- Anderson High School Wigwam
- Anderson Historic District (Anderson, South Carolina)
- Anderson Hollow Archaeological District
- Anderson Homestead
- Anderson House (Danburg, Georgia)
- Anderson House (Haskingsville, Kentucky)
- Anderson House (Haymakertown, Virginia)
- Anderson House (Lewistown, Montana)
- Anderson House (Newark, Delaware)
- Anderson House (Rock Hill, South Carolina)
- Anderson Lodge
- Anderson Lumber Company
- Anderson Marsh State Historic Park
- Anderson Outkitchen
- Anderson Park (New Jersey)
- Anderson Park (Redmond, Washington)
- Anderson Place Historic District
- Anderson Presbyterian Church
- Anderson School (Bozeman, Montana)
- Anderson Schoolhouse
- Anderson Site (Franklin, Tennessee)
- Anderson Stadium
- Anderson Style Shop
- Anderson's Mill
- Anderson, Texas
- Anderson-Coward House
- Andersonville Commercial Historic District
- Andersonville Prison
- Anderson–Capner House
- Anderson–Carlson Building
- Anderson–Clark Farmstead
- Anderson–Doosing Farm
- Anderson–Elwell House
- Anderson–Foster House
- Anderson–Frank House
- Anderson–Hobson Mercantile Store
- Anderson–Price Memorial Library Building
- Anderson–Shaffer House
- Anderson–Thompson House
- Anderton Court Shops
- Andes Historic District
- Andes Railroad Station
- Andorno Station
- Andover Center Historic District
- Andover Chapter House
- Andover Hook and Ladder Company Building
- Andover National Bank
- Andover Public Library (Andover, Maine)
- Andover Street Historic District
- Andover Town Hall
- Andover Village Industrial District
- Andover station (MBTA)
- Andreas Graf House
- Andreas Rieth Homestead
- Andres O. Ness House
- Andrew B. Murray Vocational School
- Andrew B. VanHuys Round Barn
- Andrew Barentsen House
- Andrew Berg Cabin
- Andrew Brier House
- Andrew C. Vaughn House
- Andrew Carnegie Free Library & Music Hall (Carnegie, Pennsylvania)
- Andrew Carnegie Library (Corona, California)
- Andrew Carnegie Library (Edmonds, Washington)
- Andrew Carnegie Mansion
- Andrew Carpenter House
- Andrew Carr Sr. House
- Andrew Clark House
- Andrew County Courthouse
- Andrew Crockett House
- Andrew Cunningham Farm
- Andrew Dickhaut Cottages Historic District
- Andrew Dickson White House
- Andrew Drumm Institute
- Andrew Ellicott House
- Andrew F. Scott House
- Andrew Fisher House
- Andrew Friberg Three-Decker
- Andrew G. Anderson House
- Andrew Gantner House
- Andrew Gildersleeve Octagonal Building
- Andrew Gregg Homestead
- Andrew Hunter House
- Andrew J. Cheney House
- Andrew J. Landrum House
- Andrew J. Morrison School
- Andrew J. O'Conor III House
- Andrew J. Stevens House
- Andrew J. Warner House
- Andrew Jackson and Sarah Jane Masters House
- Andrew John Volstead House
- Andrew Johnson Building
- Andrew Johnson National Historic Site
- Andrew Johnston House
- Andrew Kerr House
- Andrew M. Cox Ranch Site
- Andrew M. Hargis House
- Andrew Mann Inn
- Andrew McCarron Three-Decker
- Andrew McNally House
- Andrew Mellon Building
- Andrew Newman House
- Andrew Nicholson Farmstead
- Andrew P. Frizzell House and Farm Complex
- Andrew P. Hansen Farmstead
- Andrew Peterson Farmstead
- Andrew R. McGill House
- Andrew Rabb House
- Andrew Scott House
- Andrew Seagle Farm
- Andrew Short House
- Andrew Snable House
- Andrew Ten Eyck House
- Andrew Thomas House
- Andrew Thompson Farmstead
- Andrew Weisel House
- Andrew Welch Homestead
- Andrew Wilcox House
- Andrew Young House
- Andrew and Bergette Hjertoos Farm
- Andrew and James Dall Houses
- Andrew and Jennie McFarlane House
- Andrew and Mary Stavig House
- Andrews Bridge Historic District
- Andrews Chapel (McIntosh, Alabama)
- Andrews Memorial Chapel (Dunedin, Florida)
- Andrews Mill Company Plant
- Andrews Street Bridge
- Andrews Tavern (Spotsylvania County, Virginia)
- Andrews United Methodist Church
- Andrews-Duncan House
- Andrews-Leggett House
- Andrews-Moore House
- Andrews-Wing House
- Andrews–Luther Farm
- Andrew–Ryan House
- Andridge Apartments
- Andries DuBois House
- Andries Thomas Van Buskirk House
- Androscoggin County Courthouse and Jail
- Androscoggin Mill Block
- Androscoggin Swinging Bridge
- Androscoggin Yacht Club
- Androy Hotel
- Anduiza Hotel
- Andy Chambers Ranch Historic District
- Andy Gibson (steamboat)
- Andy Warhol Bridge
- Angel Island Immigration Station
- Angel Mounds
- Angeles Mesa Branch Library
- Angelica Park Circle Historic District
- Angelina River Bridge
- Angeline Champeau Rioux House
- Angell–Ballou House
- Angelo Heights Historic District
- Angelo Marre House
- Angels Flight
- Angels Hotel
- Angelus (Jennings, Louisiana)
- Angelus Funeral Home
- Angelus Temple
- Anger's Block
- Angie Williams Cox Library
- Angle Farm
- Angle Tree Stone
- Anglecot
- Angola Commercial Historic District
- Angus Cobblestone Farmhouse and Barn Complex
- Anhalt Barn
- Anhalt Hall
- Anheuser-Busch Beer Depot
- Anheuser-Busch Brewery
- Anheuser-Busch Brewing Association Building
- Anhinga Trail
- Aniakchak National Monument and Preserve
- Animas Forks, Colorado
- Anita Willets Burnham Log House
- Ankeny Building
- Ann Arbor Hands-On Museum
- Ann Arbor Railway Howell Depot
- Ann Arbor station (Michigan Central Railroad)
- Ann Charlotte and Jacob Hinkel House
- Ann Cunningham Evans House
- Ann Halsted House
- Ann Stevens House
- Ann Street Historic District
- Ann's Diner
- Anna Beir House
- Anna C. Diller Opera House
- Anna Carr Homestead
- Anna Day House
- Anna Jarvis House
- Anna Lewis Mann Old People's Home
- Anna Nielsen Scofield House
- Anna P. Bolling Junior High School
- Anna Ranch Heritage Center
- Anna Russell Cole Auditorium
- Anna Scherlie Homestead Shack
- Anna Town Hall
- Anna and Mikko Pyhala Farm
- Anna site
- Annaberg Historic District
- Annadale (North Vernon, Indiana)
- Annala Round Barn
- Annamede
- Annandale (Gilmore Mills, Virginia)
- Annandale Plantation (Georgetown County, South Carolina)
- Annandale, New Jersey
- Annand–Loomis House
- Annapolis National Cemetery
- Annapolis Park Historic District
- Annas Farmhouse
- Annawan Chapter House
- Anna–Dean Farm
- Anne Arundel County Free School
- Anne C. and Frank B. Semple House
- Anne Evans Mountain Home
- Anne Spencer House
- Annefield (Boyce, Virginia)
- Annefield (Saxe, Virginia)
- Annesdale
- Anneslie Historic District
- Annie Birch House
- Annie Oakley House
- Annie Russell Theatre
- Annington (Poolesville, Maryland)
- Annis Mound and Village site
- Annisquam Bridge
- Annisquam Harbor Light
- Anniston Inn Kitchen
- Anniston Manufacturing Company
- Annunciation Church (Houston)
- Annunciation Greek Orthodox Cathedral of New England
- Annunciation Greek Orthodox Church
- Annunciation Roman Catholic Church (Denver)
- Annunciation School (Buffalo, New York)
- Annville Historic District
- Annville Institute
- Anoatok
- Anoka Post Office
- Anoka–Champlin Mississippi River Bridge
- Ansco Company Charles Street Factory Buildings
- Ansel Hall Ruin
- Ansel Road Apartment Buildings Historic District
- Ansel T. Walling House
- Anselm Lincoln House
- Anshe Chesed Cemetery
- Anshe Sfard
- Anshei Glen Wild Synagogue
- Anshei Israel Synagogue
- Ansley Park
- Anson Davis House and Springhouse
- Anson Grange No. 88
- Anson Mills Building
- Anson O. Reynolds House
- Anson Wilson House
- Ansonia Library
- Ansorge Hotel
- Ant Flat Ranger Station
- Antelope (shipwreck)
- Antelope Cave
- Antelope County Courthouse
- Antelope Creek Bridge
- Antelope Grocery
- Antelope Hill Highway Bridge
- Antelope Hills, Oklahoma
- Antelope School
- Antelope Valley Indian Museum State Historic Park
- Anthony Burdick House
- Anthony Cortesy House
- Anthony Hockman House
- Anthony Holmead Archeological Site
- Anthony Lane House
- Anthony Luna House
- Anthony M. McColl House
- Anthony Manny House
- Anthony Massad Three-Decker
- Anthony Morris House
- Anthony Overton Elementary School
- Anthony Public Library
- Anthony Scoville House
- Anthony Theater
- Anthony United States Post Office
- Anthony W. Bessey House
- Anthony Wayne Cook Mansion
- Anthony Wayne School
- Anthony Yelverton House
- Anthony Yoerg Sr. House
- Anthony Zemaitis Three-Decker
- Anthony and Allison Sirna Studio
- Anthony and Caroline Isermann House
- Anthony and Louise Viaer Alumni Hall
- Anthony and Susan Cardinal Walke House
- Anthony, Rhode Island
- Anthony–Buckley House
- Anthony–Corwin Farm
- Anthony–Kinney Farm
- Anthracite Bank Building
- Antietam Avenue Bridge
- Antietam Furnace Complex Archeological Site
- Antietam Hall
- Antietam Iron Furnace Site and Antietam Village
- Antietam National Battlefield
- Antigo Opera House
- Antigo Post Office
- Antigo Public Library and Deleglise Cabin
- Antigo station
- Antiguo Casino Camuyano
- Antiguo Casino de Ponce
- Antiguo Casino de Puerto Rico
- Antiguo Cuartel Militar Español de Ponce
- Antiguo Hospital Militar Español de Ponce
- Antioch Baptist Church (Shreveport, Louisiana)
- Antioch Baptist Church (St. Louis, Missouri)
- Antioch Christian Church (Allendale, South Carolina)
- Antioch Christian Church (Kansas City, Missouri)
- Antioch Christian Church (Winchester, Kentucky)
- Antioch Hall, North and South Halls
- Antioch Missionary Baptist Church
- Antioch Missionary Baptist Church Cemetery
- Antioch School (Anamosa, Iowa)
- Antioch, Nebraska
- Antique Store (Plantersville, Alabama)
- Antlers Cafe and Bar
- Antlers Frisco Depot and Antlers Spring
- Antlers Guard Station
- Antlers Hotel (Lorain, Ohio)
- Antlers Hotel (Spirit Lake, Iowa)
- Antoine LeClaire House
- Antoinette Louisa Brown Blackwell Childhood Home
- Anton Art Center
- Anton Cermak House
- Anton E. Hanson House
- Anton Gogala Farmstead
- Anton Goreczky House
- Anton and Mary Agnes Karpen House
- Antonia (Port Allen, Louisiana)
- Antonia Sáez School
- Antonio López (shipwreck)
- Antonio Torres House
- Antonio Vigil House
- Antrim (Taneytown, Maryland)
- Antrim County Courthouse
- Antwerp station
- Anvil Lake Campground Shelter
- Apache Canyon Railroad Bridge
- Apache Motel (Utah)
- Apache Powder Historic Residential District
- Apalache Mill
- Apalachia Dam
- Apalachicola Fort Site
- Apalachicola Historic District
- Apartment Building at 116 Spruce Street
- Apartment Building at 27 and 31 Peru Street and 29 Johnson Street
- Apartment Building on Windsor Avenue and Brunswick St.
- Apartment at 49–51 Spring Street
- Apartments at 2 Collier Road
- Apartments at 22–24 Collier Road
- Apex Historic District
- Apex Town Hall (historic)
- Apex Union Depot
- Apgar Fire Lookout
- Apollo (storeship)
- Apollo Theater
- Apollo Theatre (Martinsburg, West Virginia)
- Apopka station
- Apostle Islands Lighthouses
- Apostolic Bethlehem Temple Church
- Appanoose County Courthouse
- Appanoose County Sheriff's House and Jail
- Appeldoorn Farm
- Appellate Division Courthouse of New York State
- Apperson Iowa Motor Car Company Building
- Appin (Bennettsville, South Carolina)
- Apple Bank Building
- Apple Bank for Savings
- Apple Island (Michigan)
- Apple River Fort
- Apple Tavern
- Appleby Building
- Appleby's Methodist Church
- Applegate Drugstore
- Applegate Trail
- Applegate-Fisher House
- Appler-Englar House
- Applethorpe Farm
- Appleton City Hall
- Appleton City Park Historic District
- Appleton Farm
- Appleton Lock 4 Historic District
- Appleton Locks 1–3 Historic District
- Appleton Log Hall
- Appleton Wire Works
- Appleton-Hannaford House
- Applewood (Flint, Michigan)
- Applewood Farm
- Appling County Courthouse
- Appomattox (statue)
- Appomattox Court House National Historical Park
- Appomattox Historic District
- Appomattox Iron Works
- Appomattox Manor
- Appomattox River Bridge
- Apponaug Historic District
- Apponegansett Meeting House
- Appoquinimink Friends Meetinghouse
- Apremont Triangle Historic District
- Aptucxet Trading Post Museum
- Aquadoctan
- Aquatic Park Historic District
- Aqueduct Bridge (Clay City, Indiana)
- Aquia Church
- Aquone
- Ar-Qua Springs
- Arab Mountain Fire Observation Station
- Arabella Station
- Araby (Mason's Springs, Maryland)
- Arad Alexander House
- Arad Wood House
- Aragon House (Magdalena, New Mexico)
- Arah Phelps Inn
- Aransas Pass Light Station
- Arapahoe Acres
- Araphoe and Lost Creek Site
- Aratama Maru
- Arbor Hill Historic District–Ten Broeck Triangle
- Arbor Lodge State Historical Park and Arboretum
- Arboretum Sewer Trestle
- Arbuckle Place
- Arcada Theater Building
- Arcade Building (Brookline, Massachusetts)
- Arcade Building (Columbia, South Carolina)
- Arcade Building (Fort Pierce, Florida)
- Arcade Building (Riverside, Illinois)
- Arcade Center Farm
- Arcade Hotel (Hartsville, South Carolina)
- Arcade Hotel (Springfield, Ohio)
- Arcade Hotel (Tarpon Springs, Florida)
- Arcade and Attica Railroad
- Arcadia (house)
- Arcadia College
- Arcadia Colored High School
- Arcadia Free Public Library
- Arcadia Historic District
- Arcadia Mill No. 1
- Arcadia Mill No. 2
- Arcadia Plantation
- Arcadia Round Barn
- Arcadia Sawmill and Arcadia Cotton Mill
- Arcadia, Tennessee
- Arcadia–Beverly Hills Historic District
- Arch Bridge (Bristol, Maine)
- Arch Bridge from the Boonton Ironworks
- Arch Creek Petroglyphs
- Arch Creek, Florida
- Arch Hurley Conservancy District Office Building
- Arch Street Bridge
- Arch Street Friends Meeting House
- Arch Street Presbyterian Church
- Arch and Ridge Streets Historic District
- Arch in the Town of Marshall
- Archaeological sites in North Haven, Maine
- Archaeological sites in Petit Jean State Park
- Archambault House
- Archbishop Lamy's Chapel
- Archbishop O'Hara High School
- Archbishop Quigley Preparatory Seminary
- Archbold Biological Station
- Archeological Site 38CK1
- Archeological Site 38CK44
- Archeological Site 38CK45
- Archeological Site 3NW79
- Archeological Site 3PP141
- Archeological Site 3PP142
- Archeological Site 3PP614
- Archeological Site 3YE958
- Archeological Site 4 SLO 834
- Archeological Site CA-INY-134
- Archeological Site No. 121-52B
- Archeological Site No. 121-52a
- Archeological Site No. 121-59
- Archeological Site No. 121-71
- Archeological Site No. 122-4a
- Archeological Site No. 133.7
- Archeological Site No. 133.8
- Archeological Site No. 142-12
- Archeological Site No. 142-13
- Archeological Site No. 142-14
- Archeological Site No. 142-5
- Archeological Site No. 142-6
- Archeological Site No. 142-8
- Archeological Site No. 143-12
- Archeological Site No. 143-15
- Archeological Site No. 143-16
- Archeological Site No. 143-23
- Archeological Site No. 143-5
- Archeological Site No. 143-52
- Archeological Site No. 143-53
- Archeological Site No. 143-57
- Archeological Site No. 143-79
- Archeological Site No. 1LA102
- Archeological Site No. 1WI50
- Archeological Site No. 29-64
- Archeological Site No. 39.1
- Archeological Site No. 39HE331
- Archeological Site No. 39MP3
- Archeological Site No. 44JC308
- Archeological Site No. 74-2
- Archeological Site No. 7K F 4 and 23
- Archeological Site No. AU-154
- Archeological Site No. LA 54021
- Archeological Site No. LA 54042
- Archeological Site No. LA 54049
- Archeological Site No. LA 54050
- Archeological Sites at Kawela
- Archer County Courthouse and Jail
- Archer House Hotel
- Archibald H. Davis Plantation
- Archibald Henderson Law Office
- Archibald M. Kennedy House
- Archibald McAllister House
- Archibald Mewborn House
- Archibald Mill
- Archibald Rogers Estate
- Archibald Smith Plantation Home
- Archibald Taylor House
- Archibald Taylor Plantation House
- Archibald-Adams House
- Archibald-Vroom House
- Archie Bray Foundation for the Ceramic Arts
- Archie Creek Camp
- Archie Larsen House
- Archie Smith Wholesale Fish Company
- Archie Teater Studio
- Archie Webster House
- Architects Building
- Architects and Engineers Building
- Architecture of Henry K. Holsman Historic Campus District
- Archmere Academy
- Archwood Avenue Historic District
- Archwood Congregational Church
- Arco Baptist Community Church
- Arcola Carnegie Public Library
- Arcola Elementary School
- Arcola Mills
- Arcola Presbyterian Church
- Arcola Slave Quarters
- Arctic (tug)
- Arctic Building
- Arctic Point Fire Lookout
- Ard Eevin
- Arden "Doc" Thomas House
- Arden (Andover, Massachusetts)
- Arden (estate)
- Arden Park–East Boston Historic District
- Arden, Delaware
- Ardens Historic District
- Ardenwood Historic Farm
- Ardis Furnace
- Ardmore Avenue station (Illinois)
- Ardmore Carnegie Library
- Ardmore Historic Commercial District
- Ardmore Historic District
- Ardoyne Plantation House
- Ardsley Park–Chatham Crescent Historic District
- Arecibo Light
- Arecibo Observatory
- Arena Cove Historic District
- Arenas Bridge
- Arendt Jensen House
- Arendt Jensen Jr. House
- Arendt–Seymour House
- Argabrite House
- Argent Apartments
- Argenta Branch Library
- Argenta Historic District
- Argenta station
- Argentine Carnegie Library
- Argo Gold Mine and Mill
- Argo Hotel
- Argonaut Building
- Argonne Building
- Argos Downtown Historic District
- Argos Izaak Walton League Historic District
- Argyle (Houma, Louisiana)
- Argyle Building (Kansas City, Missouri)
- Argyle Flats
- Ariaanje Coeymans House
- Ariadne J. and Mary A. Borden House
- Arista Cotton Mill Complex
- Arista Hoge House
- Aristocrat Motor Inn
- Ariston Café
- Arivaca Schoolhouse
- Arizona Daily Star Building
- Arizona Hotel (Tucson, Arizona)
- Arizona Inn
- Arizona Methodist Church
- Arizona Pioneers' Home
- Arizona Rancho
- Arizona State Capitol
- Arizona-Sonora Manufacturing Company Machine Shop
- Arkadelphia Boy Scout Hut
- Arkadelphia Commercial Historic District
- Arkadelphia Confederate Monument
- Arkadelphia station
- Arkansas Bank & Trust Company
- Arkansas Baptist College
- Arkansas Christian College Administration Building
- Arkansas City Commercial District
- Arkansas City Commercial Historic District
- Arkansas City Country Club site
- Arkansas City High School (Arkansas)
- Arkansas County Courthouse-Northern District
- Arkansas County Courthouse-Southern District
- Arkansas Highway 11
- Arkansas Highway 2
- Arkansas Highway 22
- Arkansas Highway 51
- Arkansas Highway 57 Bridge
- Arkansas II
- Arkansas Louisiana Gas Company Building
- Arkansas National Guard Museum
- Arkansas Ordnance Plant Guard House
- Arkansas Post
- Arkansas Power and Light Building
- Arkansas Research and Test Station
- Arkansas State Capitol
- Arkansas Teachers Association Headquarters Building and Professional Services Building
- Arkansas Tuberculosis Sanatorium Historic District
- Arkansas Valley Lodge No. 21, Prince Hall Masons
- Arkansas Valley National Bank
- Arkoma School
- Arkwright Bridge
- Arlene Schnitzer Concert Hall
- Arleta Branch Library
- Arlington (CDP), Vermont
- Arlington (Natchez, Mississippi)
- Arlington (Westover, Maryland)
- Arlington Antebellum Home & Gardens
- Arlington Apartments (Waukesha, Wisconsin)
- Arlington Archeological Site
- Arlington Avenue Historic District
- Arlington Branch Library and Fire Hall
- Arlington Center Historic District
- Arlington Club
- Arlington Coal & Lumber
- Arlington Forest Historic District
- Arlington Gaslight Company
- Arlington Green Covered Bridge
- Arlington Heights Historic District
- Arlington Hills Library
- Arlington Hotel (Echo, Oregon)
- Arlington Hotel (Narrowsburg, New York)
- Arlington Hotel (Zanesville, Ohio)
- Arlington House, The Robert E. Lee Memorial
- Arlington Masonic Temple
- Arlington Memorial Bridge
- Arlington Mills Historic District
- Arlington Municipal Airport (Washington)
- Arlington National Cemetery
- Arlington Park (Birmingham, Alabama)
- Arlington Plantation (Lake Providence, Louisiana)
- Arlington Plantation House (Franklin, Louisiana)
- Arlington Plantation House (Washington, Louisiana)
- Arlington Pumping Station
- Arlington Reservoir, Massachusetts
- Arlington Ridge Park
- Arlington Street Church
- Arlington United Methodist Church
- Arlington Village Historic District (Arlington, Virginia)
- Arlington, Wyoming
- Arlington–Basswood Historic District
- Armada Road Multi-Family District
- Armand Bayou Archeological District
- Armco Park Mound I
- Armco Park Mound II
- Armed Forces Retirement Home
- Armed Forces Retirement Home – Washington
- Arminius Hotel
- Armista Apartments
- Armitage (Schriever, Louisiana)
- Armitage Manufacturing Company
- Armory Block
- Armory Park Historic Residential District
- Armory Square
- Armory of the First Corps of Cadets
- Armory of the Kentish Guards
- Armory–Latisona Building
- Armour & Co. Building
- Armour Creameries Poultry House
- Armour Historic District
- Armour Square Park
- Armour Theatre Building
- Armour and Jacobson Building
- Armour's Warehouse
- Armour–Stiner House
- Armsby Block
- Armstead T. Johnson High School
- Armstrong Chapel United Methodist Church
- Armstrong Cork Company
- Armstrong County Courthouse and Jail
- Armstrong Creek Bridge
- Armstrong Elementary School (Lynchburg, Virginia)
- Armstrong Farm (Crane Township, Wyandot County, Ohio)
- Armstrong House (Citra, Florida)
- Armstrong House (Lumpkin, Georgia)
- Armstrong House (North Adams, Massachusetts)
- Armstrong House (Ripley, West Virginia)
- Armstrong House-Allen Academy
- Armstrong Knitting Factory
- Armstrong Memorial Building
- Armstrong Row
- Armstrong Tunnel
- Armstrong-Walker House
- Army Medical Museum and Library
- Army and Navy YMCA
- Arna Wendell Bontemps House
- Arndt Prune Dryer
- Arnett-Fullen House
- Arney's Mount Friends Meetinghouse and Burial Ground
- Arneytown, New Jersey
- Arnheim (Radford, Virginia)
- Arnold Arboretum
- Arnold Bakery
- Arnold Homestead
- Arnold Mills Historic District
- Arnold Potter House
- Arnold S. Naudain House
- Arnold Springs Farmstead
- Arnold Stevens House
- Arnold and Gertrude Goss House
- Arnold-Harrell House
- Arnoldus Brumby House
- Arnoldus Vander Horst House
- Arnold–Palmer House
- Arnold–Park Log Home
- Arnot House
- Aroostook County Courthouse and Jail
- Aroostook County Historical and Art Museum
- Arrawanna Bridge
- Arrow Hotel
- Arrow Rock Ferry Landing
- Arrow Rock Historic District
- Arrow Rock State Historic Site
- Arrowhead (Charlottesville, Virginia)
- Arrowhead (Herman Melville House)
- Arrowhead Lodge
- Arrowmont School of Arts and Crafts
- Arrowrock Dam
- Arrowston
- Arroyo Grande IOOF Hall
- Arroyo Hondo Pueblo
- Arroyo Seco Parkway
- Arsenal Courts Historic District
- Arsenal Hill (Columbia, South Carolina)
- Arsenal Middle School
- Arsenal Technical High School
- Art Annex
- Art Building (Rocky Ford, Colorado)
- Art Dettman Fishing Shanty
- Art Gallery (University of Southern Maine)
- Art Gallery Building
- Art Scanlan House
- Art Troutner Houses Historic District
- Art and Frieda Maxwell Barn
- Art's Auto
- Artesian Water Co. Pumphouse and Wells
- Arthur A. Smith Covered Bridge
- Arthur Alden House
- Arthur Ashe Boulevard
- Arthur B. Cohn House
- Arthur Barnwell House
- Arthur C. Ziemer House
- Arthur C. and Mary S.A. Nash House
- Arthur D. Little Inc., Building
- Arthur D. Silva Water Tank
- Arthur D. and Emma J. Wyatt House
- Arthur Dove
- Arthur Ebeling House
- Arthur F. Black House
- Arthur F. Luke House
- Arthur Foss
- Arthur G. Pomeroy House
- Arthur Goodson House
- Arthur H. Compton House
- Arthur H. Russell House
- Arthur Heurtley House
- Arthur Hewes House
- Arthur Hillyer Ford House
- Arthur J. Dunham House
- Arthur Jordan Memorial Hall
- Arthur L. Mann Memorial Library
- Arthur Lakes Log House
- Arthur Larkin House
- Arthur M. Burroughs House
- Arthur M. Parker House
- Arthur Miller House
- Arthur Monroe Free House
- Arthur Perkins House
- Arthur Provost Three-Decker
- Arthur R. Hoard House
- Arthur Raycraft House
- Arthur Silliman House
- Arthur Simmons Stables Historic District
- Arthur Tavern
- Arthur Taylor House (Moab, Utah)
- Arthur VanderSys House
- Arthur W. Hoofman House
- Arthur W. Moore House
- Arthur W. Woodson House
- Arthur W. and Chloe B. Cole House
- Arthur Walrath House
- Arthur Williams Homestead, Feed Storage Shed
- Arthur and Edith Lee House
- Arthur and Ellen Colgan House
- Arthur and Lyn Chivvis House
- Arthur and Mona Hofmann House
- Arthurdale, West Virginia
- Arthur–Leonard Historic District
- Arthyde Stone House
- Artillery Company of Newport
- Artillery Park
- Artisan's House
- Arts and Industries Building
- Arturo Angel House
- Artz House
- Arundel Cove Archaeological Site
- Arvada Flour Mill
- Arvine Heights Historic District
- Arvine and Elizabeth W. White House
- Arvon Block
- Arvon Township Hall
- Arvondor Apartments
- Arvonia School
- Arzberger site
- As Sombreru Pillboxes
- Asa Bates Memorial Chapel
- Asa Biggs House and Site
- Asa Ellis House
- Asa Gillett House
- Asa Gray House
- Asa Hanson Block
- Asa Johnston Farmhouse
- Asa Lincoln House
- Asa Locke House
- Asa M. Cook House
- Asa May House (Capps, Florida)
- Asa May House (West Fairlee, Vermont)
- Asa Morse Farm
- Asa Packer Mansion
- Asa Sanger House
- Asa Stower House
- Asa Walton House
- Asa Waters Mansion
- Asa White House
- Asa Wilson House
- Asa and Caroline Wing House
- Asa and Sylvester Abbot House
- Asahel Green Farm
- Asahel Kidder House
- Asahel Warner House
- Asan Invasion Beach
- Asan Ridge Battle Area
- Asbury Grove
- Asbury Historic District
- Asbury House
- Asbury Methodist Church (Raynham, North Carolina)
- Asbury Methodist Episcopal Church (Allen, Maryland)
- Asbury Park Convention Hall
- Asbury Park, New Jersey
- Asbury United Methodist Church (Chattanooga, Tennessee)
- Asbury United Methodist Church (Chesterfield, New Hampshire)
- Asbury United Methodist Church (Knoxville, Tennessee)
- Asbury United Methodist Church (Washington, D.C.)
- Asbury United Methodist Church and Bethel Chapel and Cemetery
- Ascension Episcopal Church (Cove, Oregon)
- Ascension of Our Lord Catholic Church
- Ascension of Our Lord Chapel
- Ascension-Caproni Historic District
- Ascutney Mill Dam
- Ash Hill (Maryland)
- Ash Hollow State Historical Park
- Ash Mountain Entrance Sign
- Ash Park Historic District
- Ash Street Historic District
- Ash Street School (Manchester, New Hampshire)
- Ash Street School (Worcester, Massachusetts)
- Ash Street-Sycamore Creek Bridge
- Ashantilly
- Ashbel Smith Building
- Ashbel Woodward House
- Ashburn Hall
- Ashburn Presbyterian Church
- Ashburnham Center Historic District
- Ashburton House
- Ashby (Ladoga, Indiana)
- Ashby Apartments
- Ashby Manor Historic District
- Ashby Street Car Barn
- Ashcrest Farm
- Ashcroft (Geneva, New York)
- Ashcroft, Colorado
- Ashcroft-Merrill Historic District
- Ashdown Commercial Historic District
- Ashdown station
- Ashe Cottage
- Ashe County Courthouse
- Asheboro Hosiery Mills and Cranford Furniture Company Complex
- Ashelford Hall
- Asher Brand Residence
- Asher Morton Farmstead
- Asher W. Bizzell House
- Asher and Mary Isabelle Richardson House
- Asheville City Hall
- Asheville High School
- Asheville School
- Asheville Transfer and Storage Company Building
- Asheville station
- Ashfield Plain Historic District
- Ashford Academy
- Ashford Mansion
- Ashford station (Alabama)
- Ashfork-Bainbridge Steel Dam
- Ashland (Ashland, North Carolina)
- Ashland (Henderson, North Carolina)
- Ashland (Henry Clay estate)
- Ashland Avenue Baptist Church
- Ashland Cemetery
- Ashland Commercial Historic District
- Ashland Company Store
- Ashland County Courthouse (Ohio)
- Ashland County Courthouse (Wisconsin)
- Ashland Covered Bridge
- Ashland Dam and Spillway
- Ashland Downtown Historic District
- Ashland Elementary School (Kansas)
- Ashland Farm
- Ashland Gristmill and Dam
- Ashland Harbor Breakwater Light
- Ashland Historic District
- Ashland Home
- Ashland Junior High School
- Ashland Masonic Lodge Building
- Ashland Mill Tenement
- Ashland Oregon National Guard Armory
- Ashland Park
- Ashland Place Historic District (Mobile, Alabama)
- Ashland Place Historic District (Phoenix, Arizona)
- Ashland Plantation
- Ashland Public Library (Ashland, Nebraska)
- Ashland Springs Hotel
- Ashland Town Hall
- Ashland Town House
- Ashland UDC Jefferson Davis Highway Marker
- Ashland Union Station
- Ashland station (New Hampshire)
- Ashland station (Soo Line)
- Ashlar Hall
- Ashlawn
- Ashleigh (Delaplane, Virginia)
- Ashley Hall Plantation
- Ashley House (Fall River, Massachusetts)
- Ashley Jewish Homesteaders Cemetery
- Ashley Planes
- Ashley River Historic District
- Ashley and Bailey Company Silk Mill
- Ashley and Bailey Silk Mill
- Ashley-Alexander House
- Ashley-Willis House
- Ashokan Bridge
- Ashokan Center
- Ashpole Presbyterian Church
- Ashtabula (Pendleton, South Carolina)
- Ashtabula County Courthouse Group
- Ashtabula Harbor Light
- Ashtabula Harbour Commercial District
- Ashtabula lift bridge
- Ashton Heights Historic District
- Ashton Historic District (Cumberland, Rhode Island)
- Ashton Historic District (Port Penn, Delaware)
- Ashton House (Syracuse, New York)
- Ashton Villa
- Ashton-Hursh House
- Ashton–Driggs House
- Ashuelot Covered Bridge
- Ashville Historic District (Ashville, Alabama)
- Ashville Historic District (Marshall, Virginia)
- Ashville station
- Ashwood Avenue Historic District
- Ashwood School Gymnasium and Auditorium
- Ashwood School, Virginia
- Ashworth Archaeological Site
- Ashworth Brothers Mill
- Ashworth and Jones Factory
- Ashworth-Remillard House
- Asia School
- Asie Swan House
- Asilo De Pobres
- Asilomar Conference Grounds
- Aslak Lie Cabin
- Aspen City Hall
- Aspen Community Church
- Aspen Grove Cemetery (Burlington, Iowa)
- Aspen Hall (Martinsburg, West Virginia)
- Aspen Hall (Pittsboro, North Carolina)
- Aspen Hill (Charles Town, West Virginia)
- Aspen Lawn
- Aspendale (Kenton)
- Aspenvale Cemetery
- Aspetuck, Connecticut
- Asphodel Plantation
- Assateague Beach Coast Guard Station
- Assateague Light
- Assay Office (Boise, Idaho)
- Assembly Hall (Washington, Mississippi)
- Asser Levy Recreation Center
- Assington (Sherborn, Massachusetts)
- Assinins, Michigan
- Associate Reformed Presbyterian Church (Little Rock, Arkansas)
- Association Residence Nursing Home
- Association of Exempt Firemen Building
- Assonet, Massachusetts
- Assumption Greek Orthodox Church
- Assumption School (Saint Paul, Minnesota)
- Assumption Seminary
- Assumption of the Blessed Virgin Mary Church
- Assumption of the Blessed Virgin Mary Parish Historic District
- Assyrian Muslim Cemetery
- Astialakwa
- Aston Inn
- Astor Fur Warehouse
- Astor Historic District
- Astor Home for Children
- Astor House (Golden, Colorado)
- Astor Place station
- Astor on the Lake
- Astoria Center of Israel
- Astoria City Hall (old)
- Astoria Column
- Astoria Elks Building
- Astoria Fire House No. 2
- Astoria Marine Construction Company
- Astoria Victory Monument
- Astoria Wharf and Warehouse Company
- Astral Apartments
- Astrodome
- Astronomical Observatory (University of Illinois Urbana-Champaign)
- Asylum Avenue District
- Atalaya Castle (US)
- Atanik
- Atantano Shrine
- Atascadero Printery
- Atascosa County Courthouse
- Atauloma Girls School
- Atchison A. Ashby House
- Atchison County Courthouse (Kansas)
- Atchison County Memorial Building
- Atchison Village, Richmond, California
- Atchison, Topeka and Santa Fe Passenger and Freight Complex Historic District
- Atchison, Topeka and Santa Fe Railway Depot (Magdalena, New Mexico)
- Atchison, Topeka, and Santa Fe Pratt Truss Bridge
- Atchison, Topeka, and Santa Fe Railroad Depot (Los Lunas, New Mexico)
- Athenaeum (Alexandria, Virginia)
- Athenaeum (Tennessee)
- Athenaeum Press
- Athenaeum of Philadelphia
- Athens County Infirmary
- Athens Courthouse Square Commercial Historic District
- Athens Downtown Historic District
- Athens Governmental Buildings
- Athens Historic District (Athens, Pennsylvania)
- Athens Lower Village Historic District
- Athens Lunatic Asylum
- Athens State Hospital Cow Barn
- Athens State University
- Athens station (Ohio)
- Athens, Kentucky
- Athenwood and the Thomas W. Wood Studio
- Athenæum (Das Deutsche Haus)
- Atherton Bridge
- Atherton Farmstead
- Atherton House
- Athletic Club of Columbus
- Athletic Park Band Shell
- Athol (Edenton, North Carolina)
- Athol (Henderson, Maryland)
- Atka B-24D Liberator
- Atkins Commercial Historic District
- Atkins High School (North Carolina)
- Atkins Park
- Atkins and Smith House
- Atkins station
- Atkins-Johnson Farmhouse Property
- Atkinson Academy
- Atkinson Building
- Atkinson County Courthouse
- Atkinson Hall (Geneseo, Illinois)
- Atkinson Hall, Georgia College
- Atkinson House (Rutherford, California)
- Atkinson Memorial Presbyterian Church
- Atkinson Road Bridge
- Atkinson-Koskinen Site
- Atkinson-Smith House
- Atkins–Carter House
- Atlanta Biltmore Hotel and Biltmore Apartments
- Atlanta City Hall
- Atlanta Cyclorama & Civil War Museum
- Atlanta First United Methodist Church
- Atlanta Historic District
- Atlanta Public Library (Atlanta, Illinois)
- Atlanta Ranger Station
- Atlantic Avenue–Barclays Center station
- Atlantic Bank and Trust Company Building
- Atlantic City Mercantile
- Atlantic Coast Line 1504
- Atlantic Coast Line Railroad Commercial and Industrial Historic District
- Atlantic Coast Line Railroad Depot (Conway, South Carolina)
- Atlantic Gas Station
- Atlantic Greyhound Bus Terminal
- Atlantic Heights Development
- Atlantic High School (Iowa)
- Atlantic Hotel (Missoula, Montana)
- Atlantic Motor Company
- Atlantic and North Carolina Railroad Freight Depot
- Atlanticville Historic District
- Atlas Block
- Atlas Building
- Atlas Grange Hall
- Atlas Life Building
- Atlas Performing Arts Center
- Atlas Theatre
- Atmore Commercial Historic District
- Atoka Historic District
- Atsion, New Jersey
- Attalla Downtown Historic District
- Attica Downtown Historic District
- Attica Main Street Historic District
- Attica Market and Main Historic District
- Attleboro station (Massachusetts)
- Attleborough Falls Gasholder Building
- Attleborough Falls Historic District
- Attmore–Oliver House
- Attoway R. Davis Home
- Attu Island
- Attucks High School
- Attucks School
- Attucks Theatre
- Attwood-Hopson House
- Atwater Congregational Church
- Atwater Manufacturing Company
- Atwater-Linton House
- Atwater-Stone House
- Atwood Campus Center
- Atwood–Higgins Historic District
- Au Sable Light
- AuSable Chasm Bridge
- Aubertine Building
- Aubrey R. Watzek House
- Auburn (Bowling Green, Virginia)
- Auburn (Brandy Station, Virginia)
- Auburn (Natchez, Mississippi)
- Auburn Battlefield
- Auburn Button Works and Logan Silk Mills
- Auburn City Hall
- Auburn City Hall and Fire House
- Auburn Commercial Historic District
- Auburn Community Mausoleum
- Auburn Cord Duesenberg Automobile Museum
- Auburn Fire House No. 1
- Auburn Fire House No. 2
- Auburn Gresham Bungalow Historic District
- Auburn House (Towson, Maryland)
- Auburn Masonic Temple (Auburn, California)
- Auburn Masonic Temple (Auburn, Washington)
- Auburn Mills Historic District
- Auburn Post Office
- Auburn Public Library (California)
- Auburn Public Library (Maine)
- Auburn Public Library (Washington)
- Auburn United States Post Office
- Auburn University Chapel
- Auburn University Historic District
- Auburndale Citrus Growers Association Packing House
- Auburndale City Hall
- Auburn–Harpswell Association Historic District
- Auchentoroly Terrace Historic District
- Auchumpkee Creek Covered Bridge
- Auclair–Button Farmstead
- Audenried Cottage
- Audiffred Building
- Auditorium (Torrance High School)
- Auditorium Building
- Auditorium and Music Hall
- Audrain County Courthouse
- Audrey Geisel University House
- Audubon (Scott County, Kentucky)
- Audubon Center of the North Woods
- Audubon County Court House
- Audubon County Home Historic District
- Audubon Park, Kentucky
- Audubon Place Historic District
- Audubon Plantation
- Audubon State Historic Site
- Audubon Terrace
- Audubon Trolley Station
- Aue Stagecoach Inn
- Auerbacher Home
- Auglaize County Courthouse
- Augspurger Grist Mill
- Augspurger Paper Company Rowhouse 1
- Augspurger Paper Company Rowhouse 2
- Augspurger Schoolhouse
- August Bepler House
- August Beresheim House
- August Cornelius Larson House
- August Draize Farmstead
- August F. Martzahn House
- August F. Poehler House
- August G. and Theresa Green House
- August H. Bergman House
- August H.J. and Justena Lange Farmstead Historic District
- August Holver Hilton House
- August Kuehn House
- August Nus Polygonal Barn
- August Olson House
- August Schell Brewing Company
- August Sehrt House
- August Sommer House
- August W. Derleth House
- August Westphal Farmstead
- August Wilson House
- August Zeppenfeld House
- August and Amalia Shivelbine House
- August and Eliza Fuermann Jr. House
- August and Vera Luedtke Barn
- Augusta Apartment Building
- Augusta Canal
- Augusta College Historic Buildings
- Augusta Commercial Historic District
- Augusta Cotton Exchange Building
- Augusta County Courthouse
- Augusta County Training School
- Augusta Downtown Historic District
- Augusta Electrical Generating Plant
- Augusta Harmonie Verein
- Augusta Memorial Park
- Augusta Mental Health Institute
- Augusta Military Academy
- Augusta Presbyterian Church
- Augusta Savage House and Studio
- Augusta Sledge House
- Augusta Stone Church
- Augusta Theater
- Augustana Academy
- Augustana Lutheran Church (Sioux City, Iowa)
- Augustana Swedish Lutheran Church
- Augustana University
- Augustine Beach Hotel
- Augustine Hansell House
- Augustine Paper Mill
- Augustus A. Smith House
- Augustus B. Patton House
- Augustus Caesar Dodge House
- Augustus Fanno Farmhouse
- Augustus Frisbie House
- Augustus Garland House
- Augustus Howland House
- Augustus J. Oakes House
- Augustus Lilly House
- Augustus Lutheran Church
- Augustus M. Garrison House
- Augustus Post House
- Augustus S. Tyron House
- Augustus Sander House
- Augustus and Augusta Gerhart House
- Augustus and Elizabeth (Huntsberger) Bauman House
- Augustus and Laura Blaisdell House
- Auld Mound
- Auld Public Library
- Auld-McCobb House
- Auldbrass Plantation
- Aullwood House and Garden
- Ault Store
- Aultman House
- Ault–Weygandt Farm
- Aumic House
- Aunty Green Hotel
- Auraria 9th Street Historic District
- Aurland United Norwegian Lutheran Church
- Aurora (Spencer, Virginia)
- Aurora Apartment Hotel
- Aurora Bridge
- Aurora Center Historic District
- Aurora City Hall
- Aurora Colony
- Aurora County Courthouse
- Aurora Elks Lodge No. 705
- Aurora Highlands Historic District
- Aurora Hotel (Worcester, Massachusetts)
- Aurora Public Library (Indiana)
- Aurora Steam Grist Mill
- Aurora University
- Aurora Village–Wells College Historic District
- Aurora station (Ohio)
- Aurora, Nevada
- Ausable Club
- Ausadie Building
- Ausenbaugh–McElhenny House
- Austerlitz (Oscar, Louisiana)
- Austin Brown House
- Austin Brown Mound
- Austin Cemetery
- Austin Central Fire Station 1
- Austin City Hall (Austin, Nevada)
- Austin Daily Tribune Building
- Austin Dam failure (Pennsylvania)
- Austin F. Williams Carriagehouse and House
- Austin Farm Road Agricultural Area
- Austin H. and Frankie A. Dwight Summer House
- Austin Hall (Harvard University)
- Austin Hall (Ohio Wesleyan University)
- Austin Hewitt Home
- Austin Historic District (Austin, Nevada)
- Austin Historic District (Chicago, Illinois)
- Austin History Center
- Austin House (Sarasota, Florida)
- Austin Masonic and Odd Fellows Hall
- Austin Methodist Church
- Austin North House
- Austin Pangburn House
- Austin State Hospital
- Austin Town Hall Park
- Austin and Northwestern Railroad Historic District-Fairland to Llano
- Austin, Nichols and Company Warehouse
- Austintown Log House
- Austin–Magie Farm and Mill District
- Austin–McDonald House
- Austin–Whittemore House
- Auto Coach Building
- Auto Freight Transport Building of Oregon and Washington
- Auto Hotel Building
- Auto Rest Garage
- Autocar Sales and Service Building
- Autograph Rock Historic District
- Automatic Electric Company Building
- Automobile Alley (Oklahoma City, Oklahoma)
- Automobile Alley Historic District (Mobile, Alabama)
- Automobile Club of Buffalo
- Automotive Historic District
- Autrey House
- Autun (West Whiteland Township, Pennsylvania)
- Ava Ranger Station Historic District
- Ava Town Hall
- Avalon (New Windsor, Maryland)
- Avalon Life Saving Station
- Avalon Music
- Avalon Theater (Larimore, North Dakota)
- Avalon Theatre (Washington, D.C.)
- Avanell Wright House
- Avant House (Andalusia, Alabama)
- Avant House (Mashpee, Massachusetts)
- Avant's Cities Service Station
- Ave Maria Grotto
- Avelan Apartments
- Avenel (Bedford, Virginia)
- Avenel Cooperative Housing Project
- Aventine Hall
- Avenue U station (BMT Sea Beach Line)
- Averasboro Battlefield Historic District
- Averitt House (Mount Pleasant, Miller County, Arkansas)
- Averitt-Herod House
- Averitt-Winchester House
- Avero House
- Avery Avenue Historic District
- Avery Avenue School
- Avery Clark House
- Avery Coonley School
- Avery County Courthouse
- Avery County Jail
- Avery Farmhouse
- Avery Homestead
- Avery House (Fort Collins, Colorado)
- Avery House (Griswold, Connecticut)
- Avery Island (Louisiana)
- Avery Point Light
- Avery Road–Galien River Bridge
- Avery Russell House
- Avery Street Historic District
- Avery station
- Avery's Rest Site
- Avery–Helm Historic District
- Avery–Hunter House
- Aviary (Lynchburg, Virginia)
- Aviary at the Houston Zoo
- Avilla, Missouri
- Avirett–Stephens Plantation
- Avoca (Altavista, Virginia)
- Avoca Lodge
- Avon Apartments
- Avon Congregational Church
- Avon Five Arch Bridge
- Avon Hill Historic District
- Avon Inn
- Avon Isle
- Avon Park Historic District
- Avondale (Westminster, Maryland)
- Avondale Historic District (Alexander City, Alabama)
- Avondale Mill
- Avondale Mill Historic District
- Avondale Park Historic District
- Avondale Plantation Home
- Avoyelles High School
- Awatovi Ruins
- Awbury Historic District
- Ax Billy Department Store
- Axel Bohman House
- Axel Johnson Ranch
- Axel Nixon House
- Axford-Coffin Farm
- Aycock Birthplace
- Aycock House
- Aycrigg Mansion
- Ayden Historic District
- Ayer Main Street Historic District
- Ayer Public Library (Delavan, Illinois)
- Ayers Bank Building
- Ayers House (Lewistown, Montana)
- Ayers-Allen House
- Ayer–Shea House
- Aylesworth Apartments
- Aynesworth–Wright House
- Ayr Mount
- Ayres Hall
- Ayres L. Bramble House
- Ayrshire Apartments
- Azalea Court Apartments
- Azariah Newton House
- Aztalan State Park
- Aztec Hotel
- Aztec Main Street Historic District
- Aztec Motel
- Aztec Motor Company Building
- Aztec Ruins Administration Building-Museum
- Aztec Ruins National Monument
- Aztec Theatre (San Antonio)
- Azteca Theater (Fresno, California)
- Azure Mountain Fire Observation Station
- Azurest South
- Azusa Civic Center