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

The largest mosque in Cambodia was built to unite the country's Muslim community but soon sparked division and controversy instead.

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

The capital of Cambodia is named after the hill on which this ancient temple complex stands.

Khmer Rouge's high security prison.

One of the biggest markets in Asia, under one of the continent's largest domes.

A quick and simple solution to Cambodia's train woes.

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

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

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

A battle between nature and architecture in the Cambodian jungle.

Brightly colored 30-foot-tall totems light up the desert sky just outside Las Vegas.

Dramatic river bend surrounds a natural red-rocked pedestal.

Most-visited and most-photographed slot canyon in the American Southwest.

Bangkok celebrated its shifting monarchy with a militaristic homage to democracy.

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

On stormy days debris from this unfinished and abandoned skyscraper rains down on the Bangkok streets.

Derelict airplane bodies serve as both home and income for three Thai families.

A treasure trove of pathological, forensic, parasitological, and anatomical specimens.

A fascinating insight into daily life in the Eastern Bloc.

An abandoned NSA listening post on Berlin's "Devil's Mountain."

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

The most visited, and possibly most controversial, museum in Germany.

A surreal museum of extraordinary industrial objects.