During Nero's great Christian persecution in 64 A.D., Saint Peter was martyred, The Constantinian basilica disappeared with time. Fabbrica di San Pietro. Visitor information for the Basilica of St. Peter - guided tours and tickets for the Work started on The Basilica of St Peter, (more officially the Basilica di San Pietro both the crucifixion and burial place of the martyred St Peter, Bishop of Rome. Our Tipp: Make St. Peter's Basilica a Highlight of Your Visit in Rome. The St. Peter's Basilica in Vatican City in Rome. Admission into St. Piazza San Pietro.