This extravagant villa built by a Burmese merchant is part pagoda and part European mansion.

Myanmar's beautiful cemetery for Allied soldiers who perished during World War II.

One of the oldest temples in Ho Chi Minh City, dedicated to a deified Chinese military leader.

Mysterious tombstones thought to be remnants of Atlantis.

A spiritual sanctuary in a natural cave.

An abandoned shopping gallery built during Fascist Italy tucked in the center of Palermo.

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

A study of Fascist era Art Deco design in Italy.

Thousands of well-dressed mummies below a monastery.

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

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

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

Italian cave with exceptional acoustics and an unsavory history.

142 ceramic steps become a mosaic once a year.

A mysterious ancient elephant said to possess magic powers is now the symbol of a Sicilian city.

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

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

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.

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

A sulfuric hellscape in southern Italy.

The skull of the patron saint of lovers lies in the Basilica di Santa Maria in Cosmedin—maybe.