Khmer Rouge's high security prison.

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

A quick and simple solution to Cambodia's train woes.

Take a hidden path to the mouth of the cave to watch millions of bats swarm at sunset.

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

Hoax, mistake, or evidence of dinosaurs in human times?

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.

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.

Home to the world's largest collection of ancient Champa's sculptural works, featuring many Hindu and Buddhist deities.

Perhaps the only one of its kind, the nearly-forgotten site once held mortal (and rigged) gladiatorial games between tigers and imperial war elephants.

This antique shop offers affordable 15th-century Vietnamese ceramics salvaged from a local shipwreck.

A cityscape of burial tombs that you can easily lose yourself in.

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

A sculpture park that takes the use of clay to a whole new level.

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.

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

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

A nightmare for the claustrophobic lies hidden in Southeast Asia.