Plaques on its facade commemorate the Tiber's most destructive deluges.

A fortified medieval basilica on the Caelian Hill preserves extraordinary frescoes and one of Rome's most beautiful hidden cloisters.

Skulls and skeletons are omnipresent in this church dedicated to souls trapped in purgatory.

A detailed pachyderm supports Rome's smallest Egyptian obelisk.

Legend has it this fountain built to symbolize the Pope’s power hides a strange secret concerning Neptune's manliness.

This Italian stadium makes liberal use of fascist statuary to evoke classical sporting arenas.

Explore the quarry where the marble was sourced for Michaelangelo's David.

The best preserved Paleochristian basilica in Rome hides a number of oddities and secrets.

Over 100 towers were built in Bologna during the Middle Ages, but only 22 survive.

The spot where the fascist dictator made some of his most famous speeches including declaring war on Britain and France.

Brass cobblestones mark the places where individual Holocaust victims were taken from their homes.

Two very green residential towers cleaning the air in one of Europe's most polluted cities.

Erotic art covers the walls of the largest ancient pleasure palace.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

Pilgrimage site for star-crossed lovers.

Architectural monsters are devouring this palace's every door and window.

The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.

Rome's semi-secret peephole vista is also a former Crusader stronghold.

Architectureal fantasy quarter of Rome.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."