Ancient ruins hidden underneath a modern luxury hotel.

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

An unremarkable wooden wheel built into the side of one of Rome's oldest hospitals was part of a policy to reduce infant exposure.

Breathtaking and huge 430 year old maps of Italy.

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

This equestrian statue of Constantine the Great has been the subject of criticism for centuries.

This statue is the only female representation of Rome's "talking statues."

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

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

A detailed pachyderm supports Rome's smallest Egyptian obelisk.

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

In Rome’s Jewish ghetto, a 200-year-old bakery still makes the neighborhood’s historic sweets.

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

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

This unassuming bridge is most likely one of Michelangelo's unfinished masterworks.

A large replica of a monumental Roman inscription is located on the side of this museum.

An 18th century fountain and two columns are all that remains of Rome's forgotten river harbor.

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

This large, circular tomb is the final resting place of the first emperor of Rome.

This hydrochronometer was invented by a Dominican monk and is a prime feature in this garden.

A hospital where antique dolls are given new life.

Rome's first modern graffito is all that is left of a peaceful protest from the 1970s.

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

The only remaining arch of the oldest stone bridge in Rome stands in the middle of the Tiber.