a bi-level treehouse designed by Chicago firm Deture Culsign. Made of bamboo, the solar-powered cylindrical treehouse offers gorgeous views of the Pacific Ocean. t 700 square feet, the treehouse is designed to “visually intrigue and highlight sustainable strategies to deliver a natural immersive guest experience,” according to Deture Culsign. The treehouse is built six feet off the ground amidst palm trees, which act as “living piers.” There is a bedroom with a king bed, lounge area, built-in hammock, and private bathroom in the treehouse. California-based ArtisTree constructed the the treehouse. The design is meant to allow visitors to feel as they are moving seamlessly between the indoors and outdoors. Built with locally sourced wood, the treehouse blends into the natural environment. Solar power provides electricity and hot water. Hatch windows in the side of the circular treehouse allow for passive cooling.