Descend into the chill of Rome’s mysterious underworld with Skip-the-Line access to three of the city’s strangest discoveries. Unmask a new side to the Eternal City as you explore the eerie Bone Chapel, adorned with the bones of 4,000 Capuchin monks, and the Christian Catacombs, a series of hidden tunnels where early Christian’s practiced their forbidden faith. Then travel beneath the Basilica San Clemente to discover layers of ancient foundations offering an insight to civilizations long fallen.