Cactus House � The Netherlands
The balconies of the Cactus House apartment building in Rotterdam were designed to maximize outdoor gardening space for tenants.
Gangster House � Russia
This soaring wooden tower in Archangelsk, Russia was built by local  gangster Nikolai Sutyagin. He never quite got around to finishing its  construction � he was jailed before the work was completed.
Cube Houses � The Netherlands
The Dutch seem to be building more than their fair share of interesting  houses, as evidenced by these �cube houses� in Rotterdam. Architect Piet  Blom intentionally tipped the houses 45 degrees on their side. Cutting  edge yes, but not good for those with vertigo.
Wooden Sphere House � Canada
The sphere house in British Columbia, Canada takes simplicity to a whole  new level. The sphere is anchored to its surroundings using ropes and  spiral staircases.
Habitat 67 � Canada
These playful apartments in Montreal feature a unique building block design.
Wozoco Apartments � The Netherlands
This �hanging� apartment building near Amsterdam uses some clever  architecture to get around local zoning laws. Dutch laws require  sunlight for all units, so the builders simply hung part of the building  above the ground allowing for extra square footage and sun for the  tenants below.
Pod House � New York
Located in New Rochelle, the Pod House�s interesting organic design is  based on the structure of a weed called Queen Anne�s Lace.
Berman House � Australia
The Berman House in Joadja, Australia hangs over a deep canyon below. I�m sure the views must be spectacular.
Rotating House � Germany
Architect Rolf Disch was thinking green when he built this structure  near Freiburg, Germany. The house rotates with the movement of the sun  in winter to save on heating costs. Maybe there�s a renter�s discount if  you get dizzy easily?
Mushroom House � Ohio
For only $400,000, you could be living in your own fairytale-style mushroom house located in Cincinnati, Ohio.
Floating House � Ukraine
Though it seems to defy the laws of nature, this structure in the  Ukraine is apparently supported by the beams on the right hand side of  the image. It looks a bit fake, don�t you think?
Upside-Down House � Poland
This structure is not a mistake. The upside-down house really was built  just as it looks. Designer Daniel Czapiewski created it as a critique of  the �upside-down� nature of his country�s former communist government.  Located in Szymbark, Poland. 
Sumber : RP_Sipahutar