Once an opulent Art Nouveau hotspot, the Constanța Casino is one of Romania's most beautiful abandoned buildings.

A hospital closed seemingly in the middle of operations, leaving behind fodder for horror films and ghost hunters.

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.

Scale replica of China's ancient terracotta tomb warriors and Forbidden City are the side project of an eccentric millionaire.

A former utopian healing center created by a huckster and built by derelicts.

The ghost town that ended up on Ebay.

Version of the French Riviera destroyed by the sea.

Named after a bandit and the star of several Hollywood prehistoric landscapes, these sandstone formations are a historical part of the Los Angeles natural landscape.

An outdoor sculpture park of giant pink robots and post-apocalyptic Christmas scenes.

Abandoned Air Force base that has fallen into disrepair.

Former 1954 Del Mar Train Station now serves signature cocktails and delightful culinary treats, and still operates as a Metro stop.

The last Americana on Route 66.

Carved by a waterfall in a hard-to-reach rock formation, this heart-shaped rock has inspired romantics for decades.