The remains of a doomed Antarctic plane, buried beneath layers of ice and snow, await those willing to do a bit of digging.

A Surreal flight of architectural fancy in Vietnam's Central Highlands.

A desert in southeast Asia, complete with a beautiful lake covered in lotus flowers.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

An urban laboratory.

A museum dedicated to the alleged Roswell Incident.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

A fitting attraction for the corn capital of the world.

One of the tallest mountains in India was closed for years after a botched CIA mission.

Modest by day, illuminated majestically at sunset.

This Gothic-style church is reputedly built atop the remains of one of Jesus's apostles.

This ancient Hindu temple is covered in thousands of colorful statues and has a long mythological history.

The remains of what was, not so long ago, the world's largest city.

Tibetan-influenced mountain fortress in Northern Pakistan.

Known as the most dangerous bridge in the world, the Hussaini Hanging Bridge is only one of many precarious rope bridges in Northern Pakistan.

One of the largest Buddhist stupas in the world keeps an eye out in every direction.

Sacred Buddhist home of some spiritual monkeys.

Siddhartha Gautama sat here and received enlightenment.

Miraculous vase predicts the future at this Tibetan Buddhist site in the Himalayas.

The first declared National Monument in the United States.

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

Khmer Rouge's high security prison.

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

A nightmare for the claustrophobic lies hidden in Southeast Asia.