Fun for your feline friends and easy on the planet.

While we love the dangling treetop retreats located at Sweden's Treehotel, and the House Arc had us yearning for a private backyard hideaway, the eco-PERCH has to be the Rolls Royce of modern modular ...

Any carpenter worth his salt can build a treehouse. But precious few can do it with the long-term growth and health of the tree in mind. That's how certified arborist and builder Austin Wienecke found ...