This beautiful park on the outskirts of Rome protects the ruins of two colossal ancient aqueducts.

Also known as the Square Colosseum, this building is a prime example of fascist-era rationalist architecture.

A medieval stronghold rising over the ruins of ancient Roman villas along Rome's southern coast.

A town saturated in Italian rationalist architecture was once marshland drained by Mussolini.

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

This medieval city gate is now a blend of the past and the modern world.

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

Ancient snack bar of the Roman Empire re-opened.

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

Before it was buried by volcanic ash, this fast-food restaurant fed the hungry hordes of ancient Rome.

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

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

A spiritual sanctuary in a natural cave.

The sunlight passing through the opening of this huge cave system creates a magical effect.

Southern Italy's spinning top village.

People have been living in the cave houses on this Italian hillside since the Neolithic era.

An impressive bridge over a ravine also served as an aqueduct.

Geometry and mystery come together in an epic show of octagonal masonry.

Three underground crypts and a pointed arch under the bell tower make this cathedral unique among Romanesque churches.

A dead saint, a deadly poison, and a mysterious holy ooze.

This gorgeous reading room houses the oldest and largest art history library in the Netherlands.

A set of seven houses, each built in a style that represents a European country.

This plaque marks the former home of one of the first women physicians in the Netherlands.

This unattributed sculpture in Amsterdam is hiding in plain sight.