A Red Cross memorial museum at the site of the Niš concentration camp that operated for four eventful years during World War II.

A grand Yugoslav memorial to the group of partisans who fought and died resisting western Serbia’s Nazi occupation.

The ruins of this medieval castle on a foggy hill tell the story of a once-mighty empire.

The bizarre rocks of Đavolja Varoš are the result of natural erosion.

For over 40 years, this quaint little house has teetered on a rock in the middle of a river.

This spaceship-like Serbian monument reaches for the stars in celebration of the fallen fighters of fascism.

This memorial park stands on the site of one of the largest mass executions of the Second World War.

Legends of treasure and spirits flow from this this fairy tale-like oasis.

Structure built from the skulls of vanquished foes.

A memorial dedicated to the victims of the My Lai Massacre.

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

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

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

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

This whimsically named Vietnamese stream is closer to a walkway than a waterway.

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

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.

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

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

This Vietnamese bar doubles as a multistory labyrinth.

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

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

An extravagant monument to an extravagantly unpopular Emperor.