The Catacombs of Saint Callixtus are some of the many smaller catacombs scattered around the Eternal City. Located on the Appian Way, the catacombs are famous for containing the Crypt of the Popes, which, as the name suggests, once contained the tombs of several popes from the 2nd to 4th centuries.
Villa d'Este is one of the most magnificent villas in Italy. The Renaissance-era villa's gardens are resplendent with the sound of water features and birdsong, and make for a great retreat on hot and sunny days!