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

Ho Chi Minh's perfectly preserved body has been on display here since 1975.

The spot where the two men ate together now stands enclosed in glass.

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

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

Khmer Rouge's high security prison.

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 battle between nature and architecture in the Cambodian jungle.

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

Though it was originally dedicated to the Hindu god Shiva, Baphuon was converted to a Buddhist temple in the 15th century, complete with a massive hidden statue.

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

A non-profit that uses the impressive smelling abilities of African Pouched Rats to find and clear unexploded land mines.

The world's first combination ski slope and power plant.

The last Viking king of Denmark is buried inside the crypt of this cathedral.

The old observatory in Copenhagen has a spiral corridor used as a racetrack.

Old Danish castle immortalized in Shakespeare's Hamlet.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

Opulence and fantasy collide in this royal chair which is supposedly made with unicorn horns.

Climb to the top of its spiral spire for spectacular views of Copenhagen.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

During the holidays, a vintage subway train whisks New Yorkers back in time.

A Victorian Gothic masterpiece housing a world-class collection of rare books and manuscripts.