"When we were kids, a treehouse was a wonderful haven, a safe escape and a great lookout. Should our adult homes serve the same purpose? Tereasa and David's friends built this house around the trunk of an old tree, making a grownup aerie in the woods.
Crystal River Tree house: A Rustic Loft Perched Above an Icy Colorado River. David Rasmussen, treehouse expert, designed and built this “treehouse” with log columns as the main support, since the trees on the property are not strong enough to build on.
Jeff Shelden, an architect and son of a forest ranger, modeled the design of his Montana cabin after a forest service lookout tower. To build the cabin he used wood from an old train trestle, local stone, and reclaimed steel from a nearby farm.