The Basilica of Saint Paul Outside the Walls, located in Rome, Italy, is one of the city's four major papal basilicas and a UNESCO World Heritage Site. This magnificent basilica, built over the burial site of Saint Paul the Apostle, is renowned for its stunning neoclassical architecture and historical significance. Visitors can marvel at the beautiful mosaics, the impressive colonnaded courtyard, and the tomb of Saint Paul. The basilica also features a serene cloister and a series of medallions depicting all the popes throughout history.