A nightmare for the claustrophobic lies hidden in Southeast Asia.

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

Khmer Rouge's high security prison.

Originally a meeting place for foreign correspondents and war reporters, the FCC remains an atmospheric spot for sunset drinks in Phnom Penh.

This dazzling Buddhist temple was constructed from over one million ceramic tiles salvaged from a British shipwreck.

For centuries young Thai men used this Giant Swing as a slingshot to heaven.

This Balinese sea temple is thought to be guarded by the hundreds of monkeys that live around it.

The name of this ancient Indonesian temple translates as "Elephant Cave" but it could be more accurately called "The Hellmouth."

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

This tiny lake temple dedicated to a water goddess seems to float on the surface.

This historic Melbourne bullet factory is fully encased in a massive glass and steel cone.

Once housing children next to hardened criminals this historic jail once displayed Ned Kelly's skull until it was stolen.

The 10,000 Torii shrine.

This 14th-century temple is also known as the "Temple of the Golden Pavilion" for its gorgeous gilded reliquary hall.

This enormous monument is one of the most iconic structures in Tokyo, rudely nicknamed "The Golden Turd."

Once a black market electronics marketplace, now an otaku shopper's paradise.

Cabaret where the show girls are all androids, and the patrons couldn't be more pleased.

The original "capsule building" is a masterpiece of Metabolist architecture.

South Korea's largely symbolic, barely used gateway to the North.

The best place for scenic views of the DMZ and North Korea.

The site of many tense prisoner exchanges across the Military Demarcation Line between North and South Korea.

A blooming house of worship for the masses.

The mysterious empty cupola behind the monumental arch points to an ancient prophecy of Delhi.

Also known as the "Red Taj Mahal."