Rome city guide. History, human genius and the hot midday sun have conspired to make Rome one of the world’s most seductive and thrilling cities.This new edition of the Lonely Planet Rome guidebook showcases full-colour maps, new planning features and tours that cover all the highlights of Rome and more. Brilliant photo spreads and illustrations of top Roman sights, including the Forum and the Colosseum, and a section that reveals...
The Catacombe di San Callisto consists of 19 kilometers and 4 levels of hand dug tunnels that make up the underground network of Rome's largest catacombs, home to the tombs of half a million Christians burried here between the 1st and 4th centuries. The one hour tour begins with the crypt of the popes and concludes with a walk through a labyrinth of 20 m high tunnels.
Gregorian Tower - The Catholic Church has had a long-standing interest in astronomy, due to the astronomical basis of the calendar by which holy days and Easter are determined. For instance, the Gregorian Calendar, promulgated in 1582 by Pope Gregory XIII, was developed by the Jesuit mathematician Christoph Clavius at the Collegio Romano from astronomical data. The Gregorian Tower was completed in 1580 for his purpose, designed by Bolognese architect Ottaviano Matte.