//
Photo: David Edgar, CC BY-SA 3.0 via Wikimedia Commons
Inaugurated in 217 AD and used until the 6th century. The baths were big enough for 1600 bathers at a time. Impressive and well-preserved. Used for operas in summer months (see Opera di Roma for details) and was the location for the famous "three tenors" concert in July 1990, at the time of the World Cup (soccer).
The Baths of Caracalla in Rome, Italy, were the city's second largest Roman public bath complex, or thermae, after the Baths of Diocletian. The baths were likely built between AD 212 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.
© OpenStreetMap contributors
The enormous building at the southeast end of the Circus Maximus is the headquarters of the UN Food and Agriculture Organization (FAO). From its roof are undoubtedly the best views of Rome, but you will need to know someone who works there to get past the strict security.
Celian Hill
The Celian Hill is one of the seven hills of Rome. You immediately see the church of San Gregorio Magno. On this site monks were trained before setting off as missionaries to England at the end of the 6th century. Further up the hill is Santi Giovanni e Paolo. At this point it is difficult to believe you are in the middle of a major city. This church was built in 398 over the home of two Roman soldiers, John and Paul, who were martyred for their Christian beliefs in 362. Excavations show that there were several burials on the site, a risky business as burials were illegal at that time. After the church you come to the back entrance of the Villa Celimontana park (jazz festival nightly in late June-August). The modern buildings before you reach the park are owned by Silvio Berlusconi’s television company. By the main entrance of the park note the boat-like fountain known as the “Navicella”. As you exit the main entrance to the left is the church of S. Maria in Domnica, which has some interesting mosaics. Next to this church is the Porta Esquilina, one of the gates from the original Servian walls of Rome. It dates back to the 4th century BC.
The western end of the ancient Via Appia road connecting Rome to Brindisi in the heel of Italy, and as such the third world heritage site in Rome together with the Old Center and the Vatican. As such it's an important historical location, even if the remains of the gate aren't as impressive as the city's major sites. As Via Appia heads southeast out of Rome, and after a few kilometers the route is officially named Via Appia Antica and starts looking more historical: it gets narrow as a city street, the asphalt is replaced by a rock surface and the road is lined with parks and park-like areas and walled old buildings. This section has been described as the world's longest museum.
In the 8th and 9th century, San Saba was one of the most prestigious monasteries of Rome. The church has been built up over many centuries and contains a variety of architectural styles. Worth a look are the floor mosaics and some interesting frescoes on the left side of the church.
Case Romane del Celio
Early Roman houses dating back to the 1st century, believed to be homes of early Christians. Well-preserved frescoes and a small museum.
The Servian Wall was the first wall around Rome, built around the 3rd Century BC. This well-preserved section gives a good opportunity to see the construction methods used at that time, involving the use of blocks of tufa rock.