Discover the ancient treasures hidden below St. Clement’s Basilica that are overlooked by most visitors to Rome. Follow your guide three levels down to explore ancient pagan temples, the 1st-century home of St. Clement, and a 4th-century basilica with original frescoes—as well as an underground river. End with a tour of the 12th-century basilica above ground, known for its spectacular mosaics. Delve into a hidden underground world of pagan and early Christian ruins A guide to explain the layers of history beneath St. Clement’s Basilica Time to explore the basilica above ground, including its famed mosaics A small-group tour for a more intimate experience and personal attention