11/01/2011 03:35 am ET Updated Dec 06, 2017

The Coolest House You'll Ever See (VIDEO)

We stumbled upon this insane architectural treasure when searching on craigslist for 17 bedroom homes. 'House NA' has the giddy imagination of a treehouse and the sleek aesthetic of a futuristic space station. It was made by Tokyo architectural group Sou Fujimoto, which specializes on conceptual and residencial spaces with a Japanese flair. There are see-through walls, ladders galore and infinite nooks and crannies, although they could, perhaps, use a 'welcome' mat. Take a look at the hottest real estate in Tokyo in the video below.