A sculpture park that takes the use of clay to a whole new level.

Home to what locals claim is the largest whale skeleton in Southeast Asia, which is worshiped yearly.

The wartime prison now features haunting sculpted reenactments of the atrocities that took place there.

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

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

This network of tunnels housed an entire village for years, and even had a hall for screening movies.

Ha Long Bay's "Cave of Surprises" houses a popular phallic rock formation.

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

A nightmare for the claustrophobic lies hidden in Southeast Asia.

A Surreal flight of architectural fancy in Vietnam's Central Highlands.

An extravagant monument to an extravagantly unpopular Emperor.

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.

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

World's largest cave was only discovered in 1991, and now offers tours to the public.