Of course, getting the requisite permits might mummify the intrepid with red tape a la slow motion City Hall, but an Ewok can dream! From Oregon, natch, via BoingBoing:
This 17-minute mini-documentary introduces Michael Garnier, proprietor of the Out’n’About Treehouse Resort in Oregon. Garnier is a thoughtful and salty woodcrafter who’s put a lot of thought into the right way to build a treetop B&B, and his guided tour of his little hotel with its Ewok-style treehouses is a delight.