A battle between nature and architecture in the Cambodian jungle.

This lab's maddening silence is good for business but bad for sanity.

France's most famous cemetery, with some of its most curious tombs.

Monasteries on rock pillars, once accessible only by frayed ropes.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

Northern Ireland's Brobdingnagian stepping stones.

Famously misunderstood wonder of the ancient world

Notorious artist squat renovated into legal studios.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

A whimsical and twisted animatronic monster tour beneath the streets of Berlin.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

The history of occult science is turned into a creepshow at this lurid Prague tourist attraction.

An ancient capital city that dates back 3,000 years old and harbors many surprises.

The fairy tale castle of the "fairy-tale king."

The sign at the garden gate reads: "These Plants Can Kill."

La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.

A church of bones, decorated with 40,000 human skeletons.

The ghost town left by the worst nuclear disaster of all time is being taken over by nature and urban explorers.

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

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

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

One hundred years ago this small house in downtown Zürich became the birthplace of the Dada movement.

The vast, legendary catacombs hold secrets much stranger than stacked bones.