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On your next trip, you could be checking into a wine cask, a salvaged 727 airplane, or a room where the furniture defies the law of gravity.

Upside-down stay: At Berlin's Propeller Island City Lodge, each of the 30 rooms is weird in its own way. The artist-owner, Lars Stroschen, has seen to that. One room, the first built, is made to look like a brightly painted medieval town, with an ultra-mini golf course surrounding the castle bed. Another has furniture attached to the ceiling, another has coffins for beds, and still another has lion cages on stilts (the website claims that kids "love to sleep" in them). Then there's the Freedom Room, which resembles a prison, complete with a toilet next to the bed — oh, that German humor! (011-49/30-891-90-16, propeller-island.com)

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