Architectural Oddities in Berlin

After local authorities changed the design, the building's architect, Le Corbusier, wanted nothing to do with it.

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

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

Come stay at a live-in art installation.

Art and a pun, all in one.

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

Floating swimming pool within a moored vessel.

An eerie, derelict amusement park in Berlin.

This TV tower once secretly housed a GDR intelligence team.

Cold war icon and onetime "hole" in the iron curtain.

Berlin's old airport.