- 3-hour tour of Rome's underground mysteries
- Uncover spiritual secrets and ancient archaeology beneath the city streets
- Marvel at art created from thousands of skulls and bones at the Capuchin Crypt
- Descend beneath the medieval Basilica of St. Clement
- See where some of the earliest Christians gathered in the ruins of a pagan Mithraic temple
- Wander through a labyrinth of tunnels and burial chambers in the ancient Domitilla catacombs
