A former French military respite turned jungle tourism hotspot.

A palace destined to never house a king.

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

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

This impressive clifftop temple was once at the center of an international custody dispute.

This Khmer-era temple includes a lintel that was stolen and displayed at the Art Institute of Chicago for years before returning to Thailand.

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

Monument to a brutal, ineffectual US bombing campaign and a sobering reminder of the human cost of the Vietnam War.

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

A gift from the Soviet Union in the 1980s, this is the only statue of the Soviet dictator in Southeast Asia.

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

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

World's largest cave was only discovered in 1991, and now offers tours to the public.

This network of tunnels housed an entire village for years, and even had a hall for screening movies.

Giant pagoda houses the car that drove Thích Quảng Đức to his death by self-immolation.

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

An extravagant monument to an extravagantly unpopular Emperor.

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

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

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

This spectacular bridge supported by two gigantic hands looks like something out of a fantasy universe.

This unique formation is characterized by hexagonal basalt rocks stacked in unique formations.

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

Nearly three tons of weapons from the Vietnam War still remain in this small, hidden museum.