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

This 17th-century passageway is home to numerous bookshops, a witch legend, and the oldest pizzeria in the world.

A massive marble foot is tucked away in a small alley near the Pantheon.

A slightly creepy gallery of plaster cast models in the same museum as Michelangelo's David.

A popular legend claims that the famous pizza was invented at a restaurant in this alley.

Milan's duomo is covered in beautiful carving including a curious "dinosaur-like" beast.

Every day is like Christmas on this street where the traditional Neapolitan nativity scene comes to life.

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

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

This giant middle finger statue sends an unambiguous message to Italy's bankers.

A labyrinth of ancient tunnels hidden below the city holds the ruins of 2,500 years of history.

The skull of the patron saint of lovers lies in the Basilica di Santa Maria in Cosmedin—maybe.

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

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."

The first statue to be added to Saint Peter's Square in over 350 years is an ode to migrants and refugees around the world.

Breathtaking and huge 430 year old maps of Italy.

Hidden beneath the famous St. Peter's Basilica is a veritable city of the dead that may hold the remains of St. Peter himself.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

An ossuary built in 1210 to collect bones from the Ospedale Maggiore of Milan.

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

The walls and streets of the ancient city are peppered with penises.

The yawning maw of this pagan visage is said to bite off the hands of liars.

The mummified relic of St. Catherine sits forever on a golden throne.