Rome Basilica of St Clement Archaeological Excavations 2 hr - Image 1
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Rome Basilica of St Clement Archaeological Excavations 2 hr

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  • Rome, Italy
  • 2 hrs
  • Updated November 2, 2026

Explore the underground excavations beneath Rome’s Basilica of St Clement, including a Mithraeum that reveals a glimpse of pagan history.

About this tour

Step beneath Rome’s Basilica of St Clement and travel through layers of history on a guided exploration of its archaeological excavations. This 120-minute visit reveals a remarkable underground world beneath one of the city’s historic churches.

Follow your guide through the excavations and discover the underground Mithraeum, an important archaeological find that offers a glimpse of pagan Rome. Above ground, the basilica is celebrated for its mosaics, including the Triumph of the Cross, and its intricate Cosmatesque floor, showcasing the artistry of medieval Rome. The guided tour focuses on the underground excavations, with entrance to the Basilica of St Clement included.

For a closer look at Rome’s past, join this Rome Basilica of St Clement Archaeological Excavations tour and uncover the stories preserved beneath the city. Meet your local guide at the indicated spot and experience Rome Basilica of St Clement Archaeological Excavations at a thoughtful pace.

Highlights

  • Explore the archaeological layers beneath the Basilica of St Clement
  • Discover the underground Mithraeum and its glimpse of pagan Rome
  • Admire the basilica’s mosaics and Cosmatesque floor

What's included

Included

  • Entrance to the Basilica of St Clement
  • Guided tour of the underground excavations

Ratings on each provider

The ratings and review counts each booking site shows for this tour.

Important information

  • Infants must sit on an adult’s lap
  • A moderate level of physical fitness is recommended
  • Visitors with claustrophobia should consider the underground setting
  • Meet the local guide at the indicated meeting point

How this score is calculated

This tour has no TourTruth score yet: Viator doesn't show a usable rating for it. It gets a score as soon as a provider lists one.

How the score works
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  • Listings on different providers are combined in proportion to their review counts.
  • Tours with few reviews are pulled toward the average until more reviews come in, so a handful of perfect reviews can't top the list.
  • The result is shown from 0 to 10. Tours without a usable provider rating are not scored.

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