This amazingly well-preserved villa just outside Pompeii boasts rare examples of ancient Roman paintings.

The ruins of the largest gladiatorial school in Rome are largely hidden under modern streets.

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

Over 100 towers were built in Bologna during the Middle Ages, but only 22 survive.

One of the world's oldest working clocks is curiously missing the Zodiac sign of Libra.

A detailed pachyderm supports Rome's smallest Egyptian obelisk.

The walls and streets of the ancient city are peppered with penises.

A star-shaped fortress town fort built in the geometric model of the Renaissance utopian city.

These medieval skyscrapers dominate the skyline of this small Tuscan town.

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

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

Italian cave with exceptional acoustics and an unsavory history.

Two very green residential towers cleaning the air in one of Europe's most polluted cities.

Those who own or stay at this 500-year-old, allegedly cursed house often meet terrible fates.

100 year tradition of fist fights, marked by marble footsteps.

Erotic art covers the walls of the largest ancient pleasure palace.

Ancient snack bar of the Roman Empire re-opened.

This mosaic-lined medieval church was built by the world's first admiral and still holds mass in ancient Greek.

Pilgrimage site for star-crossed lovers.

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

Go inside to really appreciate this 500-year-old technological masterpiece.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

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

The engineering wonder and pleasure dome of a much-maligned emperor still holds undiscovered secrets.