Gravity-Defying Homes

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  Gangster House (Archangelsk, Russia)
  
  Though incomplete, the "Gangster House" is believed to be the world's tallest wooden house, soaring thirteen floors to reach 144 feet (about half the size of London's Big Ben). The homeowner or gangster, Nikolai Sutyagin, had all intentions of finishing the construction but his dream went on hold when he got locked up behind bars for his third jail sentence. Now out of jail and out of money, the ex-convict lives at the bottom of this precarious tower of wood.
  

  Courtesy of the Telegraph

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  Free Spirit Houses (British Columbia, Canada)
  
  These wooden spheres can be hung from any solid surface (tree, cliff, bridge, etc.) and are accessed by a spiral stairway or a short suspension bridge. A web of rope grasps onto a strong point, essentially replacing the foundation of a conventional building. You can anchor points on the top and bottom to prevent swinging or just let it loose and enjoy the ride.
  

  Tom Chudleigh

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  Upside-Down House (Syzmbark, Poland)
  
  This upside down design seems totally nonsensicalbut that is exactly the message the Polish philanthropist and designer, Daniel Czapiewski, was trying to send. The unstable and backward construction was built as a social commentary on Poland's former Communist era. The monument is worth a trip be it for a lesson in history or balance.
  

  Freshome.com

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  Cactus House (Rotterdam, Netherlands)
  
  Cool-looking would be a good enough reason for us, but this housing design was created to maximize each apartment's outdoor space and indoor sunlight. The splaying stack of slabs creates big terraces for gardening and the irregular shape allows sun to enter from multiple angles.
  

  ucxarchitects

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  Floating Castle (Ukraine)
  
  Supported by a single cantilever, this mysterious levitating farm house belongs in a sci-fi flick. It's claimed to be an old bunker for the overload of mineral fertilizers but we're sure there's a better back story . . . alien architects probably had a hand in it.
  

  Microscopiq.com

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  Mushroom House (Cincinnati, Ohio)
  
  So disparate in materials and shapes this hodgepodge house looks like its been welded and glued together. But this is no hobo-construction, it was designed by the professor of architecture and interior design at the University of Cincinnati, Terry Brown, and was recently on the market for an estimated $400K
  

  jeremystump.com

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  Cube House (Rotterdam, Netherlands)
  
  Living in a tilted house is much easier than it looks-just ask the people living in these the Kijk-Kubus homes. Architect Piet Blom tipped a conventional house forty-five degrees and rested it upon a hexagon-shaped pole so that three sides face down and the other three face the sky. Each of the cube houses accommodates three floors: a living space including a kitchen, study and bathroom, the middle floor houses bedrooms and the top is the pyramid room that can act like an attic or viewing deck. These houses are quite expensive, but you can satisfy your curiosity by visiting the museum show house.
  

  Courtesy of kubuswoning.nl

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  Extreme Tree House (Irian Jana, Indonesia)
  
  The Korowai and Kombai clans carved out clearings of the remote part of the low-land forest to make way for these extreme tree houses. Unlike the typical tree houses that are nestled in branches, these dwellings are perched on the tip tops of the treesfully exposed to the elements. But we aren't sure what's scarier a strong gust of wind or the ladder they use to get up there.
  

  George Steinman