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

Singapore's landscaping project is home to 18 incredible Supertrees.

This tiered waterfall is so pretty it may cause visitors to cry tears of their own.

Khmer Rouge's high security prison.

5,000 skulls in memorial to those killed by the Khmer Rouge.

A battle between nature and architecture in the Cambodian jungle.

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

Holy Hindu shrine in an enormous, monkey-filled limestone cavern.

Hindu temple of the dead home to hundreds of long-tailed macaques.

A phallic shrine to a princess goddess in Krabi, Thailand.

A shrine built to combat the bad karma of a commercial venture.

A tall karst islet popularized by 007.

When a medieval fire claimed the original St. Stephen’s Cathedral, it sparked a pattern of unquenchable organ building.

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

Every hour the doors open to reenact the legend of the heroic mayor who saved his town by drinking a gallon of wine.

Go surfing on this urban wave, "hacked" by local surfers.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

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

The most famous location in China was home to whole dynasties worth of imperial rulers.

This vertical pinnacle in China was the inspiration for the floating mountains in the movie “Avatar.”

A natural arch offers panoramic views of Yangshuo's karst hills.

This massive underground salt mine now holds a sci-fi theme park in its depths.

This quiet area of Yunnan Province annually transforms into an unbelievable sea of yellow flowers.

This smaller cousin of the Forbidden City has gone from ancestral sacrifice to tourist's whispers.