In addition to the Papal basilicas, Rome is home to an incredible number of other churches and sacred sites, to be visited for the profound testimony of faith they spread, for the depth of their history and for the magnificence of the works of art housed there. Among these are the Mamertine Prison - ancient jail of St. Peter and of St. Paul, the Church of Sant'Agnese in Agone and the Basilica of Sancta Maria ad Martyres, the famous Pantheon in Rome.