Japanese island famous for poison gas and fluffy bunnies.

An exquisite tunnel of cascading flowers.

Beijing's version of Disneyland, completely abandoned, mostly destroyed.

This working replica of the 'Friends' coffee shop is more accurate to the show than the set itself.

This incredible Chinese theme park may be the largest bootleg in history.

A total of 999 stairs lead visitors through a massive hole in a mountain known as the Gateway to Heaven.

For those with no fear of heights: a skywalk 4,700 feet up on a Chinese mountain.

Not one, not two, but three natural bridges remain in this captivating spot post-sinkhole.

A cliff-hanging restaurant.

A harrowing trail up a mile-high mountain.

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

Thousands of rusting train cars have been slowly falling apart on the edge of Greece's second largest city.

Hidden in a secluded Greek cove is a pristine beach marred only by the rusting smuggler's hulk stranded on its shores.

A spectacular cave and a beguiling lake.

The hallucinogenic center of the ancient world.

Malaysian fireflies create a dazzling display as thousands light up in unison.

An abandoned settlement originally established by British colonialists in the Andaman archipelago.

Over 2,000 ancient temples dot the Myanmar landscape at the site of this famed archaeological site.

A grand imperial capital left to fall into magnificent ruin.

This dangerous-looking suspension bridge may have been too unstable to remain open.

A vast, otherworldly collection of Buddhist stupas.

This bridge is embedded with a giant steel dragon that breathes fire from its mouth.

Have fun at the world's first Buddhist waterslide park.

An extravagant monument to an extravagantly unpopular Emperor.