Baths of Caracalla
The Baths of Caracalla (Italian: Terme di Caracalla) in Rome, Italy, were the city's second largest Roman public baths, or thermae, likely built between AD 212 (or 211) and 216/217, during the reigns of emperors Septimius Severus and Caracalla. They were in operation until the 530s and then fell into disuse and ruin.
Latin: Thermae Antoninianae
The baths as viewed from the south-west. The caldarium would have been in the front of the image.
|Alternative name||Italian: Terme di Caracalla|
|Region||Regione XII Piscina Publica|
|Part of||Ancient Rome|
|Area||100,000 m2 (1,100,000 sq ft)|
|Volume||8,000,000 L (1,800,000 imp gal; 2,100,000 US gal) (baths' waters)|
|Height||40 m (130 ft)|
|Material||Marble, pozzolana, lime, tuff, basalt|
|Architectural styles||Ancient Roman|
|Official name||Baths of Caracalla|
|Type||Cultural, artistic, historical, architectural, religious|
|Criteria||i, ii, iii, iv, vi|
|Part of||Historic Centre of Rome, the Properties of the Holy See in that City Enjoying Extraterritorial Rights and San Paolo Fuori le Mura|
|Documents||Historic Centre of Rome...|
|List of ancient monuments|
However, they have served as an inspiration for many other notable buildings, including the Baths of Diocletian, Basilica of Maxentius, the original Pennsylvania Station (New York) and Chicago Union Station. Art works recovered from the ruins include famous sculptures such as the Farnese Bull and the Farnese Hercules.
Today the Baths of Caracalla are a tourist attraction.
Construction – 216–235Edit
Construction of the baths was probably initiated by emperor Septimius Severus and completed during the reign of his son, Caracalla. They were inaugurated in AD 216. The baths were located in the southern area of the city, Regio XII, where members of the Severan family commissioned other construction works: the via nova leading to the baths and the Septizodium on nearby Palatine Hill.:7
For work to have been mostly completed in the time of Caracalla, workers would have had to install over 2,000 t (2,000 long tons; 2,200 short tons) of material every day for six years in order to complete it between 211 (when Severus died) and 216.
Work on additional decorations continued under Caracalla's successors Elagabalus and Severus Alexander. The baths were likely mostly finished by 235. Later renovations were conducted under Aurelian (after a fire) and by Diocletian. Under Constantine the Great the caldarium was modified.:7–8
5th century – destruction in 9th centuryEdit
The baths were fully functional in the 5th century when they were referred to as one of the seven wonders of Rome. Olympiodorus of Thebes mentions a capacity of 1,600. This is interpreted to refer to the maximum number of simultaneous visitors, as the daily capacity is thought to have been 6,000 to 8,000 bathers.:8
The baths remained in use until the 6th century. In 537 during the Gothic War, Vitiges of the Ostrogoths laid siege to Rome and severed the city's water supply. Shortly thereafter the baths were abandoned. Located too far away from the still populated area of Rome, the baths were mostly disused but in the 6th and 7th centuries were apparently used for the burials of pilgrims who died after being cared for in the nearby Xenodochium of Santi Nereo ed Achilleo. Some simple tombs from this era have been found inside the bath area.:8–9
The earthquake of 847 destroyed much of the building, along with many other Roman structures.
12th century – 19th century – other usesEdit
At least since the 12th century the baths were used as a quarry for construction materials, and of decorative pieces to be reused in churches and palaces ( e.g. in Pisa Cathedral and Santa Maria in Trastevere).:9
During the 14th century, the area was used as vineyards and gardens. In the mid-16th century Pope Paul III had excavations conducted in the area during the construction of his new villa. In 1545-7 many large statues, made of marble and bronze, were recovered from the ruins. Later during the 16th century, the pope granted the area to the Roman Seminary of the Jesuits. It was used as a playground for children. Philip Neri may have brought children from his oratory here – he is believed to have commissioned the fresco Madonna supported by an angel still located in the natatio.:10–2
Between the 16th and 18th century interest in the structure was rekindled and several famous architects made drawings of the ruins (Andrea Palladio, Giovanni Battista Falda, Giambattista Nolli and Giuliano da Sangallo).:12
The aqueduct serving the baths was in use up to the 19th century. The Aqua Antoniniana aqueduct, a branch of the earlier Aqua Marcia also worked on under Diocletian, was specifically built to serve the baths.
Modern times – excavation and restorationEdit
In 1824, excavations at the baths were conducted by Count Egidio di Velo, whose findings included the mosaics showing athletes now at the Vatican Museums. Further work followed by Luigi Canina in the frigidarium (until the mid-19th century) and then by Battista Guidi (1860–7).:12
From 1866 to 1869 restoration work in the central part of the complex revealed a torso of Hercules, porphyr columns and figure-adorned capitals. In 1870 the area became the property of the Italian government and Pietro Rosa conducted excavations in the eastern palaestra. In 1878/9, Giuseppe Fiorelli discovered mosaics in the caldarium and western palaestra.:14
From the early 20th century, excavations expanded into the outer areas of the complex and downward, revealing the subterranean passages, including a mithraeum (see below). Systematic work on the galleries, started in the 18th and 19th centuries, resumed after 1901. On the eastern side more work was done in the late 1930s, when an opera stage was installed in the caldarium. Except for some sketches no documentation of these restorations survives.:14
Further restoration work took place in the 1980s, when thick vegetation and illegally built houses in the area were cleared away. The southern wall with its cisterns, the southwestern library and the octagonal hall known as the Temple of Jupiter were restored at that point. In 1998-9, the opera stage was dismantled and modern visitor facilities were added to the baths. They reopened to the public in 2001.:14
The baths were the only archaeological site in Rome to be damaged by an earthquake near L'Aquila in 2009. They were again damaged, though minor, in August 2016 by an earthquake in central Italy.
The bath complex covered approximately 25 ha (62 acres). The complex is of rectangular shape, measuring 337 by 328 meters. Its construction involved the moving of a substantial amount of earth, as parts of the nearby hills had to be removed or leveled into platforms. Several million bricks were used in the construction. The baths contained at least 252 columns, 16 of which had a height of over 12 meters.:19
Water was carried to the baths by the then newly constructed acqua nova Antoniniana from the major acqua Marcia. The exact path of the aqueduct supplying the baths is not known as only a few segments have been discovered. The aqueduct connected to the southern side of the baths where it filled 18 cisterns. These in turn were connected by lead pipes with the baths proper.:20–1
The baths followed the "great Imperial baths" blueprint for Roman baths. They were more a leisure centre than just a series of baths. Besides being used for bathing, the complex also offered facilities for taking walks, reading/studying, exercise and body care. The main building stood in the centre with no connections to the surrounding walls, which housed the cisterns, two symmetrical libraries (south), two large exedras (east and west) and tabernae (shops) to the north. The surviving library measures 38 by 22 meters. Between the outer wall and the central complex were gardens (xystus).:25–7
The axis of the baths was laid out in a northeast to southwest fashion to make use of the sun's heat. The caldarium faced southwest, the frigidarium northeast. Overall, the bath area was arranged along a single linear axis. However, dressing rooms and palaestra were arranged symmetrically on both sides of the building, giving easier access and facilitating the flow of people in and out of the thermal area, thus increasing the number of potential users of the baths.:22
The bath main building was 214 x 110 meters and the height to the top of the roof line was 44 meters (145 ft.); it covered 6.5 acres and could hold an estimated 1,600 bathers.
The "baths" were the second to have a public library within the complex. Like other public libraries in Rome, there were two separate and equal sized rooms or buildings; one for Greek language texts and one for Latin language texts. The surviving library had three walls covered by niches (a total of 32) that housed the books. A larger niche in the middle of the southern wall likely contained a statue. A masonry ledge in front of the three other walls probably served as a bench. The floor is made from marble.:26–7
The baths consisted of a central frigidarium (cold room) measuring 58 by 24 m (190 by 79 ft) under three groin vaults 32.9 m (108 ft) high, a double pool tepidarium (medium), and a circular caldarium (hot room) 35 m (115 ft) in diameter, as well as two palaestras (gyms where wrestling and boxing were practiced). The northeastern end of the bath building contained a natatio or swimming pool. The caldarium had seven pools, the frigidarium four, the tepidarium two. Next to the caldarium were saunas (laconica).:28
The central room was the frigidarium, whose high roof was supported by eight giant columns made from Egyptian granite. Walls and floor were made from marble. The hall served a dual purpose: It was a meeting place and transition area for visitors heading for other parts of the bath. It also housed the cold baths, in the form of four pools, two of which were connected to the tepidarium and two of which communicated with the natatio via some waterfalls. In the middle of the frigidarium was another circular pool (now at the Archaeological Museum at Naples) surrounding a fountain. It was flanked by two additional brick pools.:30–1
The caldarium was a circular room with marble floors and topped by a dome of almost 36 meters diameter, close to the size of the Pantheon's dome. The weight of the dome was carried by just eight masonry pillars. Between them were glass windows that helped heat the large room (and reduced the weight of the walls). Its seven pools measured 9.5 m by 5 m (depth of 1 m). Only six of these remain. The seventh was replaced by a small apse during the restoration by Constantine.:32–3
The Olympic-sized natatio pool measured 50 m by 22 m. The walls rose to more than 20 m and the northern façade was structured by three huge columns made from grey granite. Between those columns were niches on several levels which housed ornamental statues.:33
The natatio was roofless with bronze mirrors mounted overhead to direct sunlight into the pool area. The entire bath building was on a raised platform 6 m (20 ft) high to allow for storage and furnaces under the building.
Discovered in 1912 by Ettore Ghislanzoni, the mithraeum at the baths is considered the largest documented gathering space for the worshippers of Mithra, the Persian god in vogue with the military and mostly lower class men, in the 2nd and 3rd centuries AD. The mithraeum was approximately 23 m (75 ft) long and 10 m (33 ft) wide with a cross-vaulted ceiling. It can be only roughly dated by the two main events associated with the baths: the mithraeum was created after the complex was completed circa AD 217 and it was probably no longer in use when the aqueduct supplying the complex was cut in the 530s.
The floor of the main room was covered with a black and white mosaic. Benches lined the walls. A fresco portraying Mithra (or a torch bearer) is on the western wall. The only other ornamentation was a marble block, roughly carved into the shape of a snake. In the floor near the entrance a circular pit was found covered with a marble slab, with a terracotta bowl containing the remains of staves of wheat. A rectangular hole in the floor gives access to a small tunnel that runs under the center of the main hall into an adjoining room, where there is an entrance/exit with staircase. This, a unique feature in a mithraeum, has been controversial. Most scholars view this as a fossa sanguinis, a ritual pit over which the bull at the center of the Mithraic mythology was slaughtered, bathing one or more initiates in its blood. Others think it was used as a sort of stage trap door allowing a person to stage a surprising entry into the room.:40–3
Apart from housing the mithraeum, the subterranean tunnels served to heat the baths and as sewers for the outflow of water. They were also used to store the fuel for the furnaces – which are estimated to have burned around 10 tons of wood per day. Storage capacity had been estimated at more than 2,000 tons of wood.:25
Overall, these tunnels ran for hundreds of meters underneath the main structure. They were lit by skylight-type windows that allowed the air to circulate, thus keeping the stored wood from rotting.:39
An underground water mill was excavated beginning in 1912. First thought to be medieval in origin it is now considered to date to Antiquity. It may have been a part of the original workings of the baths. Fire damage indicates it was burned in the 3rd century, but rebuilt with some alterations.:40
- Precinct maximum: 412 m × 393 m (1,352 ft × 1,289 ft)
- Internal: 337 m × 328 m (1,106 ft × 1,076 ft)
- Central Block overall: 214 m × 110 m (702 ft × 361 ft)
- Natatio (swimming pool): 54 m × 23 m (177 ft × 75 ft)
- Frigidarium: 59 m × 24 m (194 ft × 79 ft), height of 41 m (135 ft)
- Caldarium: 35 m (115 ft), height of 44 m (144 ft)
- Internal courts: 67 m × 29 m (220 ft × 95 ft)
Quantities of materialsEdit
- Pozzolana: 341,000 m3 (12,000,000 cu ft)
- Quick lime: 35,000 m3 (1,200,000 cu ft)
- Tuff: 341,000 m3 (12,000,000 cu ft)
- Basalt for foundations: 150,000 m3 (5,300,000 cu ft)
- Brick pieces for facing: 17.5 million
- Large Bricks: 520,000
- Marble columns in Central block: 252
- Marble for columns and decorations: 6,300 m3 (220,000 cu ft)
Estimated average labour figures on siteEdit
- Excavation: 5,200 men
- Substructure: 9,500 men
- Central Block: 4,500 men
- Decoration: 1,800 men
The 12 m (39 ft) columns of the frigidarium were made of granite and they weighed close to 100 t (98 long tons; 110 short tons).
Works of artEdit
The baths were originally ornamented with high quality sculptures, estimated to have numbered more than 120. Despite their location in one of the city's working class areas, of all the antique baths in Rome the Baths of Caracalla were found to have contained the most lavish assortment of statues. Although many were destroyed in the Middle Ages to make lime, beginning in the 16th century under Pope Paul III Farnese, sculptures were excavated from the area to serve as decorations in newly built palazzi.:47,51
Among the well-known pieces recovered from the Baths of Caracalla are the Farnese Bull (probably from the eastern palaestra) and Farnese Hercules (from the frigidarium), now in the Museo Archeologico Nazionale, Naples; others are in the Museo di Capodimonte there. One of the many statues is the colossal 4 m (13 ft) statue of Asclepius.:47–8
Two granite tubs from the frigidarium were taken to Piazza Farnese where they still serve as fountains, made by Girolamo Rainaldi. A granite column from the natatio was taken to Florence by Cosimo I de' Medici in Piazza Santa Trinita. It is now known as the Column of Justice.:51
Use as a cultural venueEdit
Opera and concertsEdit
The central part of the bath complex (the caldarium) was the summer home of the Rome Opera company from 1937 to 1993. In 2001, use of the venue by the opera resumed but it now uses a temporary movable stage outside of the main structure, which reduces the stress on the antique ruins.:14
It is also a concert venue, having achieved fame as the venue and backdrop for the first Three Tenors concert in 1990.
The extensive ruins of the baths have become a popular tourist attraction. The baths are open to the public for an admission fee. Access is limited to certain areas/walkways to avoid additional damage to the mosaic floors.
The Baths of Caracalla (and especially the central frigidarium) had a significant impact on the architecture of many later buildings. In Roman times, these included the Baths of Diocletian and the Basilica of Maxentius.:32
In the 19th and early 20th century, the design of the baths was used as the inspiration for several modern structures, including St George's Hall in Liverpool and the original Pennsylvania Station (demolished in 1963) in New York City.
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