A museum dedicated to the history of psychiatric treatment featuring a gallery of art made by patients.

The world's oldest individual clonal tree looks like a wimp despite standing tall for 9,550 years.

A floating underwater hotel, created by a Swedish artist.

A golden egg-shaped sauna in the Arctic tundra.

Crooked windswept pines give this old forest an enchanted and magical look.

Tucked away in a small German apartment is an eclectic museum devoted to West African vodun culture.

A wunderkammer of exoticism immortalized by Tom Waits.

Hitler's bleak vision of relaxation still stands as a mostly abandoned 10,000-room resort complex.

A former ironworks that was the first UNESCO industrial site.

This temple to the sturm and drang of Richard Wagner contains a dragon's cave and reptile zoo full of living "dragons."

An industrial relic is now one of Europe's most staggering art spaces.

This former steel and coal plant is now a neon-lit industrial fantasia.

This incredible stone temple is a monument to death, victory, and fantasy architecture.

Skeletons dressed in extravagant 18th century royal costumes cavort in the aisles of this German basilica.

Ruins of a German Castle on top of a towering stone pillar.