The world's only museum devoted to the wonders of fluorescence.

A Balinese resort, empty and trapped in time.

A crazy maze of a hostel, where every trap door and secret entrance brings you to a new wacky, wonderful room.

The music is over at the Ballhaus Riviera Ballroom, but the ballroom remains in haunting disrepair.

These brass bunnies honor the rabbits that dominated the no-man's-land around the Berlin Wall.

A traditional U-Bahn station in Berlin gets a string of rather untraditional benches.

An abandoned swimming pool decays on the outskirts of Berlin.

Blitzkrieg bop your way through Berlin's Ramones Museum.

A unique Holocaust memorial tells the personal stories of the Jewish residents exiled from greater Berlin.

What started as a tongue-in-cheek shrine is now a full-blown museum celebrating "The Hoff" and his longtime love affair with Berlin.

A tree-like building perches on its trunk in the Steglitz neighborhood of Berlin.

From toys to kettles to scientific instruments, this German museum celebrates the beauty of 20th century design.

A wunderkammer of mysterious objects and stories.

This classic restaurant features a gorgeous mirror-clad room.

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

A museum dedicated to the history of a terrifying secret police is now held in their former headquarters.

A collection of abandoned typographic signs from Berlin and beyond.

Art and a pun, all in one.

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

Started as a kitchen garden, now the second largest botanical garden in the world.

This futuristic German spa allows visitors to float in a pool of salt water while zoning out to underwater techno.

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.

A whimsical and twisted animatronic monster tour beneath the streets of Berlin.

An eerie, derelict amusement park in Berlin.