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Basilica of San Clemente
Attraction
4.7 (6537 reviews)
Unique 300s church built over a pagan temple & Roman house, decorated with frescoes & mosaics.
Piazza di S. Clemente, 00184 Roma RM, Italy
+39 06 774 0021
Did You Know?
Layered History
The Basilica of San Clemente is famously built on three distinct archaeological levels, each representing a different historical period of Rome, offering a unique glimpse into the city's past.
Pagan Temple Below
Beneath the current basilica lies a 2nd-century pagan Mithraic temple, complete with an altar, triclinium (dining area), and intricate frescoes depicting scenes of Mithras, the Persian god.
Underground Stream
On the lowest level, visitors can hear and even see an ancient subterranean stream still flowing, contributing to the mysterious and atmospheric feel of the site.
Medieval Art Gallery
The middle layer, an earlier 4th-century church, boasts stunningly preserved medieval frescoes, including the 'Legend of St. Clement' and the earliest known use of vernacular Italian in an inscription.
Highlights from Reviews
• layered history
The site offers a unique journey through three distinct historical levels, from a Roman residence to a medieval basilica.
• underground exploration
Exploring the damp, dark chambers and corridors of the ancient Roman levels provides a magnificent and atmospheric experience.
• fascinating excavations
The archaeological excavations depict thousands of years of history piled on top of each other, including pagan shrines and early Christian spaces.
• unique atmosphere
The site offers a peaceful and quiet escape from the bustling city streets, with a mysterious and inspiring ambiance underground.
• hidden gem
Despite its historical importance, it is considered underrated and less crowded than other major Roman attractions, offering a more tranquil visit.
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