The St. Peter's Basilica is the finest baroque Christian Temple. Three of its most important elements: dome, canopy and tomb of St. Peter, make stome and marble-spelled manifesto of the Christian faith. Metaphoric meaning of them, as well as their history and other treasures of the Basilica - Pieta, Grave of Alexander VII, Obelisk, The Finger of St. Peter - are revealed by the most famous experts in the art and Basilica history.