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.
Palazzo Barberini is an important late-Baroque palace in Rome, packed with art and initially built for the Corsini family between 1730–1740. Guests can explore the different levels, see the library and browse the family's private art collections.