Basilica of St. Agnes Outside the Walls

The Basilica of St. Agnes Outside the Walls, or Sant'Agnese fuori le Mura, is a huge and "perfectly-ruined" 4th-century basilica located behind the church of Santa Costanza in Rome, Italy. The Catacombs of St.Agnes, located on-site, date from the middle of the 3rd century and provide an incredible insight into the Christian history of the Eternal City. For the best experience, join a guided tour!