This futuristic airport terminal was abandoned for decades before reopening as a hotel—with a vintage plane of its own parked out back.

Home to the world's oldest functioning orrery.

Europe’s oldest natural human mummy.

The world's first and only natural nuclear reactor.

A kaleidoscopic warehouse-maze of handmade neon signs.

Shocking dioramas of human torture, meant to promote human rights awareness.

The notorious "Hanoi Hilton" where Vietnamese colonial subjects and later American POWs, including John McCain, were imprisoned.

The largest Chinese cemetery in the world outside of China dates back to the 15th century.

This rare collection of human deformities displays fetuses with two faces, one eye, and "mermaid" legs.

Self-mutilation in the name of beauty.

Largest gathering of hobos in the country has been meeting annually since 1900.

Thirteen sculptures in central Moscow graphically depicting vices of the modern world.

The ghost town left by the worst nuclear disaster of all time is being taken over by nature and urban explorers.

A magical work of architecture where a wind turbine enables monks to levitate.

Inmates dig the graves at the largest prison cemetery in the U.S., the final resting place of both cowboys and Indians.

A high point in Vancouver kitsch.

This midcentury LA bar was the birthplace of tiki culture.

When you can't get to the Pacific, just go to Florida.

"Polynesia on the Plains."

This former insane asylum now holds a pathological anatomy museum.

A century-old bathhouse that provides the luxury of warm water to rural Guatemalans.

A city built from mud and known as the "Manhattan of the desert."

An eerie, existential museum dedicated to the author of "The Metamorphosis."

This building holds the embalmed remains of the leader of the Bolshevik Revolution.