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

A small Byzantine church lost in the middle of the mountains of southern Italy.

This scenic fortress dates back at least 2,400 years to the time of Magna Graecia.

This skeletal, unfinished Gothic church once housed a miraculous masterpiece by Raphael.

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

This triumphal 16th-century arched gateway leads to the oldest street in Palermo.

Behind medieval walls in a corner of bustling Palermo is a breathtaking former mosque once inhabited by a wolf-taming hermit.

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

Cave shrine on Monte Pellegrino.

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

According to Greek mythology, this natural spring is the home of a freshwater nymph.

Built on a medieval synagogue, this church has a burial crypt, tunnel system, and Jewish ritual bath hiding deep underneath.

Italian cave with exceptional acoustics and an unsavory history.

142 ceramic steps become a mosaic once a year.

A medieval wash house where people washed clothes in a river allegedly formed by the tears of a mourning nymph.

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

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

This constantly evolving art space saved an Italian town from its own crippling reputation.

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

Every Easter, a small Sicilian town builds a stunning cathedral out of bread.

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

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

Abandoned village in Sicily built during the agricultural reforms of Mussolini.

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.