- … that Delaware Canal State Park (pictured) in Pennsylvania contains the only intact 19th century towpath canal in the United States?
- … that Maurice K. Goddard helped create 45 Pennsylvania state parks?
- … that although Lehigh Gorge State Park in Pennsylvania is now known for whitewater rafting on the Lehigh River, in the 19th century it was the site of a canal built to bypass those same rapids?
- … that Jacob Nolde was so inspired by a pine tree on his land in the early 1900s that he planted 500,000 more in what is now Nolde Forest Environmental Education Center in Pennsylvania?
- … that the Bellefonte Central Railroad once carried passengers and freight to Pennsylvania State University?