The ruins on a deserted tropical island in the Philippines bear the scars of WWII.

This tiny island protects a number of rare bird species by only allowing visitors to set foot on the beach.

The once-grand remains of this resort are slowly turning into the strange ruins of the future.

Five miles of underground river link lake to ocean.

A once great mansion stands in stately ruin.

A patch of Philippines forest devoted to saving the lives of an emotionally sensitive species of googly-eyed primates.

A cemetery and the town it served sinks beneath the sea during the volcanic birth of Mt. Vulcan.

Bohol's mysterious brown hills.

A magically clear, blue river that seems to spring from nowhere.

An eatery in a shallow river where diners can enjoy their meal mere feet from the base of an artificial waterfall.

This grand Pakistani mausoleum can only be accessed via an almost 1,000 foot long alleyway.

Lunar landscape, a mud volcano and bizarre rock formations.

Reputedly haunted sandstone necropolis with exquisite stone carvings.

One of the largest necropolises in the world is home to a stunning array of historic Middle Eastern tombs.

The world's second largest salt mine, said to have been discovered by Alexander the Great's horse.

This lost city belongs to one of the earliest civilizations in the world.

A vast museum devoted to North Korea's victories against its imperialist enemies.

One of the largest public squares in the world, named after the former DPRK supreme leader.

This abandoned-looking amusement park is frighteningly open for business.

Former host to the World Elephant Polo Championships.

This remote Himalayan temple is in danger of being completely washed away by a melting glacier.

Nepal's first aviation museum found a logical home in the most unexpected place.

Sacred Buddhist home of some spiritual monkeys.

The grassy landscape is home to the world's last truly wild horses.