This church carved into the rocks is full of enchanting stone statues.

A fairytale-like medieval church perched atop a rocky cliff on Italy's "Coast of the Gods."

An eccentric home in Sicily turns heads on a regular basis.

Italian cave with exceptional acoustics and an unsavory history.

This amazingly preserved Doric temple was abandoned before it was ever completed.

Leveled by an earthquake, this Italian village is now preserved as a massive concrete art project.

This entire town moved to a safe location after it was devastated by an earthquake, but the remains of the original town are still around.

A madman's personal garden filled with 1,000 sculpted heads.

A network of underground water channels that dates back to the Middle Ages.

A study of Fascist era Art Deco design in Italy.

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

This uncanny fresco celebrating the "triumph of death" was split into four pieces to be moved to another museum.

A collection of grotesques lines the walls of this Italian villa.

This Neapolitan exhibition hall grants weird and wonderful insight into the intricacies of human biology.

An eerie, little-known Neapolitan museum filled with preserved human remains.

Dug as a secret royal escape route, the tunnel became a wartime bomb shelter and dumping ground for vintage cars.

These "anatomical machines" are only one of the many strange items in this Italian crypt.

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

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

The oldest-known example of a historic architectural style recognized by UNESCO.

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

Virgil's many-mouthed gateway to the underworld.

A sulfuric hellscape in southern Italy.

An underground paleo-Christian burial site composed of the remains of several cemeteries and Basilicas.