Khmer Rouge's high security prison.

A small 12th-century temple surrounded by waters believed to have curative properties.

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

A former French military respite turned jungle tourism hotspot.

A battle between nature and architecture in the Cambodian jungle.

Vietnam's feral abandoned water park offers access to a post-apocalyptic funscape, now with fewer crocodiles.

Showcasing some of the best-preserved temples of the Champa Kingdom.

Unbeknownst to many, this fountain was erected as a tomb and still holds the remains of a Frenchman.

This former monastery in Vietnam now houses a chocolate shop and museum filled with centuries-old taxidermy specimens.

Meant to be a lavish presidential home, the palace became a symbol of the fall of South Vietnam.

Witnesses claim the Virgin Mary statue outside the church once mysteriously shed a single tear.

Vietnam's largest Buddha statue depicts a female sage.

One of Vietnam's most iconic landmarks was built by Japanese traders and is now in danger of sinking.

This French colonial post office is arguably the grandest in all of Southeast Asia.

The notorious "Hanoi Hilton" where Vietnamese colonial subjects and later American POWs, including John McCain, were imprisoned.

Ha Long Bay's "Cave of Surprises" houses a popular phallic rock formation.

Ho Chi Minh's perfectly preserved body has been on display here since 1975.

A Surreal flight of architectural fancy in Vietnam's Central Highlands.

A nightmare for the claustrophobic lies hidden in Southeast Asia.

This striking landscape in northern Vietnam contains both geological and archaeological wonders.

This Vietnamese bar doubles as a multistory labyrinth.

Twice a day a speeding train passes only inches from the homes of this residential neighborhood.

This Vietnamese hell cave lets visitors take a walk through a devilish underworld full of demons.

Created by one of England's most prolific labyrinth designers, inspired by Bath city history.