St Peter's Basilica is a renowned church located in Vatican City, the spiritual center of the Roman Catholic Church. It is one of the largest churches in the world, known for its stunning architecture and artistic masterpieces, including works by Michelangelo and Bernini. The basilica is built over the site where Saint Peter, one of Jesus' apostles, is believed to be buried. Construction of St Peter's Basilica began in 1506 and was completed in 1626. The church features a magnificent dome, which is a prominent feature of the Rome skyline. It serves as a pilgrimage site and hosts important religious ceremonies, including the election of new popes.