The Ultimate Treehouse by Affluent Products - it comes with it's own tree. If I had money to burn I would get one of these for the nieces! Awesome Trees, Awesome Playhouses, Kids Trees Houses, Treehouse Boys, Ultimate Treehouse, Stumps Treehouse, Inspiration Trees, Awesome Treehouse, Around The Houses
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"The “Dr. Seuss” house has about 12 stories,it was built and left unfinished for the almost 10 years, and just recently (2012) was finished. The house was dubbed with the name “Dr. Seuss” house by the local people of Willow, Alaska."