Traveler Description:
When Pius XII ordered a thorough excavation of the area under the High Altar in St. Peter's Basilica, twisting stone passages were found leading to...
more »
When Pius XII ordered a thorough excavation of the area under the High Altar in St. Peter's Basilica, twisting stone passages were found leading to an ancient Roman necropolis, which contained chambers 10- to 15-feet wide with preserved frescoes and mosaics.
« less