The Enchanted Forest Tree House. Monashee Mountains, B., Canada - a three-level tree house straight from a fairy tale. Supported by several tree trunks with a long spiraling staircase connecting all the levels. The Monashee Mountains, Canada.
Silo style in Woodland, Utah Called Monte-Silo, this round house sits next to the Provo River. A second-story deck offers water views. The unique dwelling, which is made from two corrugated metal grain silos, is a mere 27 feet in diameter.