Khmer Rouge's high security prison.

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

A nightmare for the claustrophobic lies hidden in Southeast Asia.

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

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

Life-sized painted illusions let pedestrians blend in with the street art.

A gift from the Soviet Union in the 1980s, this is the only statue of the Soviet dictator in Southeast Asia.

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

Destruction from Armenia's 1988 earthquake inspired an artist's sculptures of scrap metal.

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

With over 10,000 lights, this engineering marvel lights up the city after dark.

A cluster of historic bathhouses built on the famed hot springs that gave the Georgian capital its name.

This architecturally eclectic fortress witnessed centuries of bloody turmoil, including the massacre of its ruling clan.

An collection of Chinese propaganda posters from 1949 to 1979.

This under-visited temple is nestled within one of Shanghai's traditional shikumen-style residential blocks.

A prestigious learning institute of old Shanghai.

The once highest point in China blends symbolic design with a kick of adrenaline.

China's most famous acrobatics act.

This cavern was used as a hidden hospital and safe house during the Vietnam War.

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

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

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

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

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