In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

The world's longest outdoor covered escalator system transports commuters through Hong Kong's hilly terrain.

Remnants of the most densely packed city in world history, that thrived on anarchy for 30 years.

Khmer Rouge's high security prison.

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

A battle between nature and architecture in the Cambodian jungle.

Meant to be a lavish presidential home, the palace became a symbol of the fall of South Vietnam.

This French colonial post office is arguably the grandest in all of Southeast Asia.

Witnesses claim the Virgin Mary statue outside the church once mysteriously shed a single tear.

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

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.

A nightmare for the claustrophobic lies hidden in Southeast Asia.

An extravagant monument to an extravagantly unpopular Emperor.

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

The tower claims to be the world's only pagoda made entirely from Myanmar's lucrative gemstone.

A series of tiny artificial islands rich with produce bob atop the surface of the lake.

A vast, otherworldly collection of Buddhist stupas.

A grand example of 19th century Burmese teak architecture, and the most significant of Mandalay's historic buildings.

This golden temple is surrounded by hundreds of stone tablets that comprise the "world's largest book."

The oldest teak bridge in the world is made from the remains of a royal palace.

This gem-encrusted temple is said to contain some of the Buddha's hair which can make the deaf hear and the blind see.

A grand imperial capital left to fall into magnificent ruin.

Over 2,000 ancient temples dot the Myanmar landscape at the site of this famed archaeological site.