This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

Where commuters walk through remnants of an ancient Greek necropolis.

Holy Hindu shrine in an enormous, monkey-filled limestone cavern.

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

For centuries young Thai men used this Giant Swing as a slingshot to heaven.

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

A former French military respite turned jungle tourism hotspot.

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

A battle between nature and architecture in the Cambodian jungle.

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

Khmer Rouge's high security prison.

Built by King Norodom to honor his late father.