A perfect turquoise lake colored with glacier dust.

A solitary tree has grown up all alone on Lake Wānaka, backdropped by the beautiful Southern Alps.

Dolphins, ancient clams and hundreds of waterfalls make this one of the world's top tourist destinations.

Tubing through a cave lit with glowworms is a magical underground experience.

The real life Hobbiton, this sheep farm has been forever transformed since being built for The Hobbit film series.

Khmer Rouge's high security prison.

Bombed and burned, this monument represents the often controversial ties between Vietnam and Cambodia.

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

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.

5,000 skulls in memorial to those killed by the Khmer Rouge.

A former French military respite turned jungle tourism hotspot.

A battle between nature and architecture in the Cambodian jungle.

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

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

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

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

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

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.

The largest stone circle in the world has ended up bringing up more questions than it has answered.

The first archaeological site discovered by aerial photography.

Giant naked man on a hillside.

Before 1993, this historic-looking village—King Charles III's pet project—didn’t exist at all.