The pictures of this real
spherical treehouse are amazing, as is the design (interior and exterior). It is a one room sleeping, eating, and sitting space, complete with water and electrcity---an enclosed restroom is for the next design.
The Free Spirit Spheres are for sale. In the last FAQ, the maker discusses the spiritual inspiration he had for the houses--- a place to be mindful in nature while mimizing harmful effects on nature.
even the eiwoks are jealous.