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

Khmer Rouge's high security prison.

Originally a meeting place for foreign correspondents and war reporters, the FCC remains an atmospheric spot for sunset drinks in Phnom Penh.

Dedicated to improving the plight of the rare scaly anteater.

Bombed and burned, this monument represents the often controversial ties between Vietnam and Cambodia.

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

A secluded, little-known temple hidden amid the dense jungle.

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

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

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

A symbol of Islam in oil-rich Brunei.

Ferdinand Magellan dubbed the world's largest water village the "Venice of the East."

This Bhutanese site is one of eight sacred locales established by a revered 14th-century Buddhist master.

According to legend, this temple was built to pin down the body of a demoness who lay across the Himalayas.

An 18th-century Nepali-style chorten built to subdue demons and evil spirits.

The ruins of an abandoned 17th-century fort that was almost completely destroyed by a fire.

A stupa built to protect Bhutan from evil forces and help bring peace to the world.

This penis-focused monastery is dedicated to Buddhism's "Divine Madman."

The largest and, arguably, most scenic fortress in Bhutan.

The small sanctuaries lie just off the beaten path near one of Bhutan's most famous attractions.

One of Bhutan's oldest temples was purportedly built to halt a giant female ogre from preventing the spread of Buddhism across Tibet.

This giant Buddha statue has 125,000 smaller Buddhas hidden inside it.

The small cliffside monastery known as the Tiger's Nest is said to be the meditation site of an 8th-century Buddhist master.

Hidden under the thick tropical vegetation of a cemetery is the tomb of Columbo Sahib.