St. Clement's Basilica & Underground Guided Tour

Venture 14 meters below Basilica of San Clemente into a mystical world of pagan cults, early-Christian legends, and stunning frescoes. Learn the stories of Rome's earliest martyrs. The Basilica of San Clemente is one of the most fascinating churches in Rome, a place where one encounters centuries of Rome’s History. Embark on an unforgettable journey that begins at the breathtaking 12th-century basilica, where your expert guide will unveil the secrets behind the stunning golden mosaic in the apse, highlighting its spiritual significance. From there, you will descend 14 meters beneath the Basilica to uncover the hidden 4th-century Underground Church, built directly on top of St. Clement's home, the third pope of Rome. Go back in time down to the deepest point and discover the best-preserved Mithraic temple of the city, to learn the mysterious Mithraic cult, which thrived before the rise of Christianity.