I have seen some strange hotels in my life but none as unusual as the Propeller Island City Lodge in Germany. This small hotel in Berlin has only 31 rooms, each with its own unique design by artist Lars Stroschen. Some of the rooms are so elaborate and complex that visitors get a manual on how to use the rooms. This might sound bizarre but once you see the rooms you'll understand why it's necessary.
From upside down rooms to a bathroom hidden in a closet, Propeller Island City Lodge is indeed a "habitable work of art". You really need to see all the rooms in order to understand just how crazy this place is: