Surrounded by fields of red poppies and intertwined within a giant live oak, Pete creates a dining room tree house with a Provence countryside feel as part of a French restaurant.

Pete and the NTS gang embark on an epic quest to give a thrill-seeking couple the treehouse of their dreams -- an adventure headquarters in the sky sitting 16 feet high in 3 cedars with a wraparound deck that provides 360 degree of stunning views.

Pete builds a triple-decker treehouse with a bedroom, kitchen, bathroom and more, inspired by Frank Lloyd Wright, on the shores of Kentucky's Lake Barkley

Pete's son Charlie oversees the latest project, which happens to be a live-in Washington resort and spa, home base for himself on 23 acres of forest.

Pete heads to Michigan to help a husband surprise his wife with a Swiss Family Robinson inspired treehouse for their anniversary! Far more advanced than its castaway motivation, the treehouse uses steel beams to hold tons of modern amenities.

Pete explores tree houses worldwide that tap into one's inner spirits; a manta-ray-shaped tree house within a Thai jungle; a spirit-soothing retreat hidden in Australia's wilderness.

Pete builds a half spaceship, half horseshoe crab, zinc-wrapped treehouse at state-of-the-art kids camp, Camp Southern Ground, at the request of country music superstar Zac Brown.