To find catacombs, go to Rome, home of some of the oldest and longest burial underground tunnels in the world. "Hundreds of kilometers of catacombs run underneath the town and its outskirts," says ...

The Catacombs of Rome were in use from the 1st to the 5th ... Important chambers, such as the Capella Greca in the Catacombs of Priscilla and the Cubicula of Sacraments in the Callixtus Catacomb ...