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

Retirement home for giant obsolete machines.

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

A long spiraling walkway winds through the woods, and around a copper beech tree at the center.

This contentious squat has stood through fire, violence, and government intervention as a hotbed of leftist protest.

Crop circles inspired this whimsical garden in Germany.

Go surfing on this urban wave, "hacked" by local surfers.

Germany's Glienicke Bridge has a shady history of clandestine meetings, espionage, and spycraft.

Hamburgers are intensely proud of their tunnel beneath the river.

Bursting forth from a historic German neighborhood, these day-glo palaces are now a bright fixture in the town.

Someone loved this song enough to carve all of its lyrics onto a tree trunk in a Berlin park.

Blitzkrieg bop your way through Berlin's Ramones Museum.

A collection of abandoned typographic signs from Berlin and beyond.

A state-of-the-art medical facility from the Imperial era is now a derelict ruin.

The largest free-standing aquarium in the world resides in a hotel lobby in Berlin.

A slice of central Asia in the middle of Berlin.

The Netherlands' first car tunnel has an unusually rectangular shape.

Drive past the giant fruit sculptures and up to the window for a menu of fruity treats.

Built by crowdsourcing, this wooden foot bridge saved a part of Rotterdam that was languishing in wait of city funding.

A set of 27 bamboo tubes creates an eerie soundscape that changes with the wind.

Debatably clever, or just plain honest hotel advertised as "The Worst Hotel in the World."

This 1920s Amsterdam neighborhood was built as a giant experiment in concrete construction.

Pull up and have a drink at a museum filled with hundreds of years worth of shipwreck artifacts.

A UFO-shaped event building originally intended to be a science museum showcasing the future.