It’s been said there’s a fine line between creativity and insanity, and the more creative designers get, the more insane their creations become. These 10 insane interiors and radical room designs show what happens when one moves beyond the fundamental to, well, just mental.

(images via: Home Designing and WebUrbanist)

Travelers to Berlin rave about the formerly divided city’s wild & crazy nightlife. While nightclubbers can easily get their fill of the former, a stay at the Propeller Island City Lodge will provide a hefty dose of the latter.

(image via: BusinessWeek)

Each of the hotel’s 45 rooms is designed by Lars Stroschen and decorated in a different theme, ranging from peaceful and dreamy to bizarre and nightmarish. Take the Symbol Room, for instance. The walls, floor, ceiling, even the bedroom furniture have been decorated with 300 symbols taken from Stroschen’s decidedly odd imagination.

(image via: DrollThings)

In designing the Nautilus House, Mexican architect Javier Senosiain appears to have channeled Lewis Carroll