These spartan apartments are provided to clergymen visiting Vatican City.

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.

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

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

The "Great Sewer" of ancient Rome is one of the oldest sewer systems in the world, and is still in use.

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

This medieval church in Rome was almost destroyed following a terrorist attack in 1993.

This ancient Roman arch misled treasure hunters for centuries.

This one-of-a-kind Roman arch is not actually dedicated to the god Janus.

Crispy, cheesy rice balls—the Roman answer to arancini—take center stage here.

At the crypt of St. Mary of Eulogies and the Dead you are left alone to ponder mortality among piles of skulls.

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

This gallery commissioned by Cardinal Spada is known for its magnificent optical illusion.

This hidden alley near the location of Rome's first theater was the site of a curious miracle.

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

A mysterious chasm in the heart of the ancient Roman Forum, the Lacus Curtius was once believed to be a gateway to hell.

An ancient Roman temple first dedicated to an emperor's wife is now a church.

This subterranean shrine beneath a bike rental store celebrates the iconic Italian scooter.

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

The remains of this 2nd-century Roman temple are incorporated into a modern building.

A deep mark on the remains of a Roman temple, believed to be left by a legendary warrior.

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