The hellish conditions of this abandoned mine that snakes beneath the Pacific Ocean gave it its diabolic name.

The largest geyser field in the southern hemisphere is a spectacular sight.

One of the largest ancient geoglyphs in the world is a tall desert god used for predicting the weather.

One of Chile's most active volcanoes is riddled with beautiful caves.

A fantastical group of cliffside stairways, bridges, and twisting paths carved out of stone provide a surreal coastal hike.

A sculpture of a giant hand reaches for the stars in the middle of the Atacama desert.

This Japanese-inspired labyrinth of hot springs is hidden in a Chilean forest.

This odd Chilean waterfall-cano hotel must be entered via a rope bridge.

Mother Nature outdoes herself with this stunningly beautiful set of caves carved into marble.

Beautiful carved tunnels.

Artist and musician Will Menter creates musical sculptures.

A cave dwelling that was started by the Celts, expanded by monks, and finished by knights.

Remains of the artificial harbours invented for the Allied invasion of Normandy can still be seen at sea.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

A favorite Paris bar for U.S. expats, including Gershwin, Hemingway, and James Bond.

The curious underground history of keeping Paris clean.

A museum of magic with a Sadist past.

A haunting collection of the vanished and disappearing natural world.

Notorious artist squat renovated into legal studios.

One of the oldest medical collections in Europe focusing on rare surgical instruments.

Abandoned railway line circling the city of Paris.

The macabre collection of Jacques Sirgent, an expert scholar on the undead and all of their trappings.

360-degree virtual reality chamber physically immerses scientists into their data.

One man's vast collection of artifacts and ephemera from matchbooks and postcards to vintage neon signs and cars.