Pompeii's less famous neighbor is still revealing her secrets.

The once forbidden "secret cabinet" of erotic art from excavations of Pompeii and Herculaneum.

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

A rare example of a medieval house in Rome adorned with a melancholic inscription.

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

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

A detailed pachyderm supports Rome's smallest Egyptian obelisk.

This is the oldest Roman-made bridge in the city still existing in its original state.

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.

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

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

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

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

Rome’s legendary peephole vista is also a former Crusader stronghold.

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

This curious, round temple is the oldest still-standing marble building in Rome.

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

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

This small, ancient Roman temple was once a church dedicated to the patron saint of penitents.

Believed to be the remains of the lost Temple of Minerva, this nymphaeum has been known by its misnomer to this day.

A freedman baker’s lavish tomb has a relief showing various stages of Roman bread making.

One of the tallest bell towers in Italy plays a particular melody at just two times each day.

One of the largest squares in Europe contains an entire artificial island.