Keshwa chaca, among the last handwoven Incan bridges, crosses Apurimac Canyon in Peru.

Rising from the sea like a stone monster.

A taste of the macabre Tokyo's ritzy shopping district.

A giant Troll lurks under one of Seattle's oldest bridges.

In this historic region, homes and churches are carved into ancient volcanic rock formations.

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

Wondrous sandstone hoodoos where Native Americans collected clay for pottery, 9,000 years ago.

A natural gas leak provides a flickering flame beneath a waterfall.

A hotel and restaurant serving as the mecca of kitsch.

It should come as no surprise that the best view of the Hollywood sign is from Batman's lair.

An Aztec snake god has taken the material form of an apartment complex.

A layered tribute to the work of mosaicist Isaiah Zagar.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

The first declared National Monument in the United States.

One man has carved a number of natural New Mexico caves into psychedelic sandstone temples.

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

Northern Ireland's Brobdingnagian stepping stones.

The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

Notorious artist squat renovated into legal studios.

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

The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

A battle between nature and architecture in the Cambodian jungle.

The tragic reality of a town riddled with rumors of haunts, chemical spills, and serial killers.

Two stunning 17th-century libraries and a cabinet of curiosities.