These underground shelters dug by the Japanese during World War II later helped East Timor achieve its independence.

A surprisingly large and sturdy ruin on the outskirts of a remote village.

No one is quite sure of the origins of these idyllic natural hot springs at an abandoned mountain resort.

Dedicated to improving the plight of the rare scaly anteater.

The river depicted in the antiwar film 'Apocalypse Now' was likely based on this Mekong tributary.

A palace destined to never house a king.

This collection of reclaimed landmines acts as both an exhibition of their deadly history and as a shelter for children affected by them.

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

Arguing within this idyllic, circular volcanic lake is forbidden.

Khmer Rouge's high security prison.

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

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

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

A gruesome memorial for those lost in this area during the Khmer Rouge genocide.

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.

More than 100 Hindu temples are slowly being swallowed by the forest.

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

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

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

A battle between nature and architecture in the Cambodian jungle.

A remote lodge nestled among some of the world's best-preserved rainforests.

The nation’s first institution dedicated to the conservation of Bhutanese textiles.

This Bhutanese site is one of eight sacred locales established by a revered 14th-century Buddhist master.