Rome is famous for its iconic landmarks like the Colosseum, the Vatican, and the Trevi Fountain. But beneath the busy streets of the Eternal City lies a hidden world waiting to be discovered. From ancient catacombs to mysterious crypts, Rome’s underground attractions reveal a fascinating side of its history that many tourists never see.
If you’re planning a trip to the Italian capital and want to see something different, this guide will show you the Top 10 Underground Attractions in Rome You Shouldn’t Miss.
1. Catacombs of San Sebastiano
Located on the Appian Way, the Catacombs of San Sebastiano are among the most important early Christian burial sites in Rome. These tunnels were named after Saint Sebastian and were used by early Christians to bury their dead in secret. You’ll walk through long corridors filled with ancient tombs and religious symbols.
2. Catacombs of San Callisto (St. Callixtus)
Just a short distance from San Sebastiano, the Catacombs of San Callisto are the largest in Rome. These underground passages stretch over 20 kilometers and once held the remains of 16 popes. Guided tours take you deep into the earth to explore burial chambers, frescoes, and crypts.
To truly immerse yourself in this historical experience, we recommend you Explore underground Rome with expert guides who can bring the stories of the past to life.
3. Basilica of San Clemente
The Basilica of San Clemente is not just one church—it’s three levels of history built on top of each other. On the lowest level, you’ll find a 1st-century Roman house and a Mithraic temple. It’s like time-traveling through the layers of ancient Rome.
4. Domus Aurea (Nero’s Golden House)
Emperor Nero’s palace, the Domus Aurea, was once a symbol of luxury and power. Today, visitors can explore its underground ruins, which are filled with stunning frescoes and impressive architecture. It’s an unforgettable experience that shows the artistic and extravagant side of ancient Rome.
5. The Crypt of the Capuchin Monks
This unique underground site on Via Veneto is both beautiful and eerie. The crypt is decorated with the bones of thousands of Capuchin monks, arranged in artistic patterns. While it might sound a bit spooky, it offers a powerful reflection on life, death, and faith.
6. Catacombs of Priscilla
Less crowded than other catacombs, the Catacombs of Priscilla are known for their stunning early Christian frescoes, including one of the earliest known images of the Virgin Mary. It’s a peaceful and spiritual place, hidden away from the busy tourist spots.
7. Vicus Caprarius – The City of Water
Just steps away from the Trevi Fountain, Vicus Caprarius is an underground museum that reveals the ancient Roman aqueducts and ruins of a 1st-century Roman apartment. It’s amazing to see how the city’s ancient water system still works today!
8. Mithraeum of Circus Maximus
Hidden beneath the famous Circus Maximus racetrack is a well-preserved temple dedicated to the Persian god Mithras. The Mithraeum gives insight into the mysterious religion practiced by Roman soldiers. Tours of this sacred space offer a deeper understanding of Rome’s diverse spiritual history.
9. Catacombs of Domitilla
The Catacombs of Domitilla are among the oldest and most extensive in Rome, stretching over 17 kilometers. They are the only catacombs in Rome that still have an underground church, dedicated to Saints Nereus and Achilleus. It’s a quiet and less touristy site, perfect for those looking for a more personal experience.
10. Underground Vatican Necropolis (Scavi Tour)
Beneath St. Peter’s Basilica lies the Vatican Necropolis, the burial site of St. Peter himself. Access is limited, and you must book in advance, but the tour is well worth it. You’ll see beautifully preserved mausoleums and walk the same paths early Christians once did.
Final Thoughts
Rome is a city of layers—each one telling its own story. While its surface is filled with beauty and history, the underground reveals secrets of the past that few get to witness. If you’re looking for a unique way to experience the Eternal City, make sure to visit these underground attractions.
And for a guided and unforgettable adventure beneath the city, don’t forget to Explore underground Rome with professionals who know its hidden paths best.
