Basilica di San Clemente Rome, Italy
San Clemente in Rome is a three-layer sacred structure: a 12th-century basilica built over a 4th century church that was built over a 2nd-century Mithraic cave temple. All these can be explored, along with other ancient Roman ruins and a flowing spring.
Quick Facts on Basilica di San Clemente
Piazza di S. Clemente
00184