An abandoned set from the 1980 film "Popeye," claimed and repurposed as a theme park by creative locals.

A hidden tunnel of bones in one of Malta's oldest churches.

Bombed and burned, this monument represents the often controversial ties between Vietnam and Cambodia.

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

The abandoned airport is a strangely intact remnant of Cambodia's brutal Khmer Rouge regime.

Arguing within this idyllic, circular volcanic lake is forbidden.

Khmer Rouge's high security prison.

One of the biggest markets in Asia, under one of the continent's largest domes.

Abandoned soda factory on a Cambodian roadside in a state of beautiful decay.

An abandoned Cambodian resort that mirrored the downfall of the country as it was happening.

Limestone caves in the Cambodian countryside, once the site of genocide, now a place of peaceful beauty.

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

This Cambodian riverbed is covered in ancient Hindu carvings both above and below the waters.

A former French military respite turned jungle tourism hotspot.

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

One of Vietnam's only mosques pays tribute to the country's Muslim minority.

This historic spot was where America's involvement in the Vietnam War officially came to an end.

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

The wartime prison now features haunting sculpted reenactments of the atrocities that took place there.

Home to what locals claim is the largest whale skeleton in Southeast Asia, which is worshiped yearly.

This cavern was used as a hidden hospital and safe house during the Vietnam War.

Artifacts and memories from the Vietnam war, located in a place that experienced it first hand.

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

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