This ancient Roman arch misled treasure hunters for centuries.

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

This ancient market is often referred to as the oldest shopping mall in the world.

A sculpture serving as an homage to Pope John Paul II.

Inside this McDonald's you can dine on your Big Mac and fries next to a 2,500-year-old Roman wall.

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

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.

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

Architectureal fantasy quarter of Rome.

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

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

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

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

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

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

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

This shining multicolored metro station deep under Naples is said to be the most beautiful in Europe.

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

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

This monumental fountain has moved around the city multiple times.

This modern French ossuary contains the jumbled bones of 130,000 WWI soldiers.

The woman who helped save 15th-century France was born in this humble home.

These ruins reveal the remarkably intact layout of a Roman marketplace.