Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

Finland's oldest astronomical observatory once played a crucial role in seafaring and timekeeping.

A collection of collections ranging from dentistry to minerals.

This irregularly shaped sea fortress has defended not one but three different sovereign states.

Architecturally stunning library serves as the hub of Finnish scholarly life and culture.

A subterranean house of worship carved right out of the bedrock.

A real-life "hobbit" cave in Flores, Indonesia.

Isolated atop this Balinese sea crag is a lovely Hindu temple that is said to be guarded by sea snakes.

Hundreds of Buddhas in a re-discovered Indonesian temple.

This massive complex is made up of hundreds of smaller temples that date back to the ninth century.

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

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

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

Khmer Rouge's high security prison.

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

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

A battle between nature and architecture in the Cambodian jungle.

American bombs, morbid memorabilia, and graphic photographs tell the story of the CIA-led “Secret War” from the Pathet Lao perspective.

In the world's most bombed country relative to its size, this incredible organization helps pick up the pieces.

Buried in the Laos jungle is a sanctuary for bears that would have otherwise been milked to death by poachers.

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.

The headquarters of the Mahanikai school of Buddhism, Thailand's largest monastic order.

Launched by Napoleon's soldiers more than 200 years ago, a cannonball remains embedded in the tower wall.