A forgotten "city of water" underneath the famous Trevi district.

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

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

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

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

This basilica is dedicated to two saints, one of which is known more for his famous quote.

Inside this building is another country within Rome, a sovereign entity without a physical territory.

Romans decided this 16th-century "talking statue" was so ugly, they named it after a primate.

A treasure trove of Renaissance-era funerary art in a Roman church built on top of Nero's grave.

An alchemist's "magic door" stands in the middle of a Roman park.

A 15th-century monumental Latin inscription on this house celebrates Lorenzo Manilio's love for Rome.

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

A detailed pachyderm supports Rome's smallest Egyptian obelisk.

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

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

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

A statue representing a lost Roman profession that was vandalized for centuries.

This hidden Art Nouveau courtyard is an opulent feast for the eyes.

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

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

In the early Roman Empire, people deemed traitors and criminals were tossed to their deaths from this rock.

Genoa's collection of over 4 million zoological, botanical, and geological specimens from around the world.

A stunning cemetery famous for its extraordinarily delicate & lifelike mourning sculptures.

This small village claims to be independent from Italy because it was left out when the nation was unified.