The Basilica of St. Paul Outside the Walls (Basilica di San Paolo fuori le Mura) is one of Rome’s four major papal basilicas and a major pilgrimage site. It stands in the Ostiense district, beyond the ancient Aurelian Walls, where tradition holds that the Apostle Paul was buried after his martyrdom. Its immense interior offers a calmer alternative to some of Rome’s more crowded religious landmarks.
A church was first built over Paul’s tomb under Emperor Constantine in the fourth century and later expanded into a monumental basilica. A devastating fire in 1823 destroyed much of the building, which was reconstructed over the following decades. The tomb lies beneath the high altar, near a 13th-century Gothic canopy by Arnolfo di Cambio.
Inside, rows of granite columns lead the eye towards glowing mosaics and a gilded coffered ceiling. Look up for the mosaic portraits of popes that circle the nave, then seek out the medieval cloister, whose twisted columns and marble inlay make it one of the basilica’s most rewarding corners.
Metro Line B stops at Basilica San Paolo, a short walk from the church. Dress modestly, with shoulders and knees covered, and check the official schedule before visiting, as services and events can affect access. Allow around an hour for the basilica and cloister; nearby Centrale Montemartini makes a good addition to an Ostiense itinerary.