Unusual building appears to be haphazardly built from randomly piled bricks.

The charmingly disheveled clock tower of Tbilisi's puppet theater.

Rock-hewn monastery complex with hundreds of cave structures tucked away into the mountainside.

Underground monastery and fortress.

Shoes and revealing shirts are not allowed inside this giant Vietnamese Christ.

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

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

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

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

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

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

A nightmare for the claustrophobic lies hidden in Southeast Asia.

Khmer Rouge's high security prison.

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.

Buddhist university that allows English-language speakers the opportunity to study with monks in Thailand.

Bangkok celebrated its shifting monarchy with a militaristic homage to democracy.

This bridge made famous in a novel and on-screen wasn't actually built over the river Kwai.

A shrine built to combat the bad karma of a commercial venture.

Bangkok's men with dangerous jobs come here in search of protective talismans.

The headquarters of the Mahanikai school of Buddhism, Thailand's largest monastic order.

The slender brass strip in Prague's Old Town Square was used to tell time from 1652 to 1918.