Basilica di San Clemente

Frommer's Review

From the Colosseum, head up Via San Giovanni in Laterano to this basilica. It isn't just another Roman church -- far from it. In this church-upon-a-church, centuries of history peel away. In the 4th century A.D., a church was built over a secular house from the 1st century, beside which stood a pagan temple dedicated to Mithras (god of the sun). Down in the eerie grottoes (which you can explore on your own), you'll discover well-preserved frescoes from the 9th to the 11th centuries. The Normans destroyed the lower church, and a new one was built in the 12th century. Its chief attraction is the bronze-orange mosaic (from that period) adorning the apse, as well as a chapel honoring St. Catherine of Alexandria with frescoes by Masolino.

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