grottoes Archives - Official tourist service for Saint Peter's Basilica
THE VATICAN GROTTOES

THE VATICAN GROTTOES

Under the floor of St. Peter’s Basilica there is a 3 metre high crypt: the interspace between the Constantinian basilica and the floor of the church: these are the Grotte Vaticane, the crypts or caves, under which the Necropolis (1st-4th century AD) with the...