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

The lavish temple of the Cao Dai religion that includes Buddha, Mohammed, Joan of Arc, and Victor Hugo.

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

These crumbling towers are some of the last remnants of a centuries-old Vietnamese culture.

A nightmare for the claustrophobic lies hidden in Southeast Asia.

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

This ancient cave temple complex is the largest and best-preserved temple complex in Sri Lanka.

This elaborate temple was built around one of the Buddha's teeth.

Seven beautiful 1,000-year-old rock-cut Buddhist statues.

Once thought to be the Garden of Eden it holds a holy footprint claimed to belong to Adam, Buddha and Shiva.

An ancient stone fortress considered by many to be the eighth wonder of the world.

The largest mosque in Cambodia was built to unite the country's Muslim community but soon sparked division and controversy instead.

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

The capital of Cambodia is named after the hill on which this ancient temple complex stands.

Khmer Rouge's high security prison.

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

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

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.

A battle between nature and architecture in the Cambodian jungle.

Brightly colored 30-foot-tall totems light up the desert sky just outside Las Vegas.

A sharp bend in a dramatic river canyon cut through red rocks.

Most-visited and most-photographed slot canyon in the American Southwest.