The oldest teak bridge in the world is made from the remains of a royal palace.

Over 2,000 ancient temples dot the Myanmar landscape at the site of this famed archaeological site.

More than 200 statues filled with cryptic symbols give this park spot an aura of horror vacui fantasy.

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

Take a hidden path to the mouth of the cave to watch millions of bats swarm at sunset.

Khmer Rouge's high security prison.

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

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

This impressive clifftop temple was once at the center of an international custody dispute.

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.

This imposing memorial contains the remains of Che Guevara — and 29 other guerrillas who died with him in Bolivia.

Neo-cave art on the macro scale.

The Uros people live on floating reed islands in lake Titicaca.

A set of ancient drawings in the desert of Peru that are so massive, many of them can only be fully seen from the sky.

This red lake 4,000 meters above sea level is home to rare flamingos.

On the outskirts of a desert trading village high on the Andean plain, steel giants have been destroyed by salt winds.

A seemingly endless landscape of pure salt stretches far across Bolivia.

A crumbling cathedral condemned by an earthquake.

An island graveyard with spectacular views of the Caribbean.

An elaborate Mayan city shrouded in alien conspiracy revealed the tomb of Pacal the Great.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.