Gorgeous views of Italian mountains and valleys form the backdrop of this unique open-air theater.

Where Aleister Crowley taught magick in "La Chambre Des Cauchemars," his "Chamber of Nightmares."

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.

"Stairs of the Turks", a chalky white cliff eroded conveniently into stairs, allowing for easy pillaging.

142 ceramic steps become a mosaic once a year.

The world's most active stratovolcano is almost always erupting.

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

An eccentric artist's abode in this small Italian town has been transformed into a surreal temple of mosaic madness.

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

An Italian hillside ghost town.

Crossing this suspension bridge feels like walking through the sky, a fitting tribute to the head of the Apollo program.

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

The glowing blue Nymphaeum of Emperor Tiberius.

A sulfuric hellscape in southern Italy.

Virgil's many-mouthed gateway to the underworld.

A tree that defies gravity grows in an ancient ruin.

A mushroom-shaped outcropping that has come to be the symbol for an entire town.

This medieval Italian town is a sheer (and beautiful) cliffside defense.

Ruins of a 10th century church tucked away deep in a botanical garden.

A hospital where antique dolls are given new life.

Medieval town turned hippie commune, once home to the secret foreskin of Jesus Christ.

An Italian vineyard invites religious pilgrims to stop by 24/7 to get their drink on, for free.

Romans built the world's tallest artificial waterfall in 271 BC.

A 16th-century horror show built in a lovely Italian garden.