The Basilica of San Pedro, or St. Peter's Basilica, is a renowned church located in Vatican City. It is one of the largest and most important churches in the world, serving as a major pilgrimage site for Catholics. The basilica is built over the tomb of Saint Peter, one of Jesus Christ's apostles and the first Pope. Designed by famous architects like Michelangelo and Bernini, the basilica features a stunning dome that dominates the skyline of Rome. Its interior is adorned with beautiful artworks, including the famous sculpture Pietà by Michelangelo. The basilica also hosts significant religious ceremonies and events, attracting millions of visitors each year.