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

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

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

A nightmare for the claustrophobic lies hidden in Southeast Asia.

Walk through a clothing store, across a courtyard, and up several flights of stairs for delicious coffee with a side of beautiful views.

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

Home of the unusual art of water puppetry, one of Vietnam's oldest curiosities.

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

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

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

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

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

A secluded, little-known temple hidden amid the dense jungle.

Khmer Rouge's high security prison.

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

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

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

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

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

A battle between nature and architecture in the Cambodian jungle.

A quaint village where bomb casings from the Second Indochina War have been repurposed into mundane objects.

These bamboo and rope bridges cross the Nam Khan River for six months every year.

In the world's most bombed country relative to its size, this incredible organization helps pick up the pieces.

Abandoned limestone cave was once a sacred place of worship.