An ancient stone fortress considered by many to be the eighth wonder of the world.

Charnel house at the foot of Mount Sinai.

The deadliest diving spot in the world is also a stunning geological marvel.

These Egyptian statues have survived for 3,400 years and were an acoustic wonder of the ancient world.

The largest known Ancient Egyptian obelisk.

This ancient structure is widely thought to be the oldest intact pyramid in the world.

Ozymandias’ time-keeping temple.

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

In the world's most bombed country relative to its size, this incredible organization helps pick up the pieces.

Thousands of effigies of Buddha watch from caves set high above a legendary river, plus whiskey.

Buried in the Laos jungle is a sanctuary for bears that would have otherwise been milked to death by poachers.

This tiered waterfall is so pretty it may cause visitors to cry tears of their own.

This collection of reclaimed landmines acts as both an exhibition of their deadly history and as a shelter for children affected by them.

Khmer Rouge's high security prison.

A gruesome memorial for those lost in this area during the Khmer Rouge genocide.

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

Limestone caves in the Cambodian countryside, once the site of genocide, now a place of peaceful beauty.

A battle between nature and architecture in the Cambodian jungle.