Treehouse Masters: Out on a Limb

Tree house master Pete Nelson introduces behind-the-build stories, shares brand new tree house tips, and more on the Adventure Headquarters tree house in the Pacific Northwest.

Pete Nelson goes behind the build, and more on the Bon-Appé-Treehouse in Utopia, Texas.

Pete and the crew channel Frank Lloyd Wright for a triple-decker tree house on the shores of Lake Barkley in Kentucky; with more square footage than any tree house they've built, the high design tree home offers a bedroom, kitchen, bathroom and more.

Pete trucks out to Walden, N.Y., to build a tree house tasting room for Angry Orchard; the pavilion-style structure elevates orchard-goers high above acres of apple trees where they can enjoy a glass of hard cider and soak in views of the orchard.

Behind-the-build stories, new tree house tips and much more on Zac's Space Crab tree house for Camp Southern Ground in Georgia.

Pete surprises two lucky winners who receive complete, top-to-bottom, $20,000 renovations of their existing tree houses, giving old, run-down childhood structures much-needed repairs, remodels and complete makeovers.