This world-famous chapel painted by Michelangelo is still used for papal elections.
St. Peter's Basilica
Vatican City, Vatican City
St. Peter's Basilica in Vatican City is the world headquarters of Roman Catholicism and one of the largest churches in the world. Founded by Constantine the Great in 324, it stands over the tomb of Saint Peter the Apostle.
The Vatican Museums are among the best in the world, with treasures including classical sculptures, early Christian artifacts, Egyptian mummies and Renaissance masterpieces.