This experimental utopian "city of the future" in rural India may hold a dark secret.

Once an indicator of social class, the color blue has come to define this city on the edge of the Thar Desert.

Rock-cut caves and 7,000 Buddhist sculptures carved into the nearly sheer face of a sandstone mountain.

Dramatic sea stacks adorn the coast of this small village on the Adriatic coast.

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

This medieval Italian town is a sheer (and beautiful) cliffside defense.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

An Italian hillside ghost town.

A picture-perfect town, perfect for blowing up.

Water of undetermined depth has attracted rare fish and cult leaders alike.

In the middle of the desert, miles from any human life, sat an anomalous pay phone that still magically answers your calls.

This former Mormon settlement is reemerging from the receding waters of Lake Mead.

The drama of nature in full effect in this Nevada State Park.

A mining town once rife with murderous disputes over its copious treasures now creates income as a popular spot for photo shoots.

The wild west is still alive and well at this authentic mining town watering hole.

Brightly colored 30-foot-tall totems light up the desert sky just outside Las Vegas.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

A Buddhist theme park brings you a Buddhist version of Hell.

This black shoreline is made up of exploded lava particles.

What remains of the summer palace of King Kamehameha III.

A Hawaiian stairway to heaven—that you can't climb.

This massive geographical sculpture is so subtle, it's possible to pass by it without noticing.

It seems that the residents of of this megalopolis suddenly vanished, but they were never actually there.

This spiritual landmark for practicers of Shamanism is drenched in milk and vodka and covered in blue scarves.