Learn more about the Basilica of San Clemente in Rome, a three-tiered complex of buildings that was constructed in three phases spread in more then 12 centuries: 12th, 4th and 1st century AD. You will first go to the 12th century Basilica, built by Cardinal Anastasius. Admire the Byzantine Apse mosaic, learn about the Schola Cantorum, and ponder at the amazing floor mosaics that cover the whole floor. Proceed to the underground Basilica from the 4th century and explore the frescoes depicting the lifes of St. Alexius and St. Clemente while hearing from your guide the history of this ancient Basilica. After the underground, we will proceed to the lowest levels of the Basilica to learn more about the remains of the 1st-century construction. Discover the altar of the cult of Mithras and the Mithraic Schoolroom, and drift through a maze of chambers and corridors made from tufa block. Discover more about the life of San Clemente, and the building of the Basilica with of its mosaics, frescoes and hidden corridors.