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.

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 creates an arboreal abode for an adventurous Alaskan couple that offers all the warm fuzzies they get from the outdoors without having to brave the bitter mountain cold, and heats things up by installing a sauna in the trees!

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

Dreams are coming to life in Oregon as Pete builds for Marlene, an 81-year-old woman who is finally getting one of her greatest wishes fulfilled: a treehouse; Marlene is giddy with excitement for this new adventure.

A friend of Pete's has the treehouse bug and decides to open a treehouse B&B; the classic A-Frame structure will have all the amenities and a waterfall that pours from the wraparound deck to the pond below.

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 Alabama's Appalachia to build a super spy treehouse; he pulls out all the stops to make the client's espionage-themed dreams come true; gadgets, hidden passageways, secret rooms and more.

Pete and NTS build a tree house for the For-Mar Nature Preserve just outside Flint, Mich.; the 5-platform nature headquarters serves as a positive addition to a community still reeling from the water crisis that began in 2014.

Two retirees get a retreat on their 100-acre Wisconsin farm; Pete builds a barnlike birdhouse with three separate pods -- an art studio, an office and a lounge -- complete with a screened-in porch and a deck overlooking their stable of alpacas.

An Arizona boy's Make-a-Wish request is granted when Pete designs a tree house with a ramp for his wheelchair and characters from the 2014 film "The Boxtrolls."

Brian Kelley – a Southern gentleman who just happens to be half of superstar country-pop sensation Florida Georgia Line – is dreaming of a treehouse that he can “cruise” to with his gorgeous new wife in their home outside of Nashville. It is a three story whimsical, speakeasy-themed creative space built at the edge of a ravine below their home, perched in two strong oaks and a hickory tree. A sky-high bridge attached to their front porch floats through the tree branches to the second story of the treehouse, allowing the couple to easily access their private refuge. Pete incorporates wood from a treehouse that Brian’s father built for him as a boy, a bedroom, office, writing room, and a fantastic music-recording studio decorated with Guatemalan fabrics and vintage light bulbs.

Pete builds ski lodge-style treehouse complete with an indoor-outdoor fireplace and a rooftop snowmaker for a ski-loving family.

An Arizona boy's Make-a-Wish request is granted when Pete designs a tree house with a ramp for his wheelchair and characters from the 2014 film "The Boxtrolls."

Busy film industry clients in Fayetteville, Ga. request a treehouse on their exuberant 63-acre plot of land, inspired by mid-century architecture and equipped with a zip line.

The NTS team leave their tents behind and head to New Jersey to build a campers' retreat for an outdoor-loving couple; with a screened-in porch, floating barbecue deck and cozy hanging bed, this Adirondack style tree-cabin puts glamping in the trees.

Adventurous Texas family, living on a 200-acre ranch, want a camouflaged treehouse that also serves as a guest house.

Pete revisits his former home - a site where he built his very first treehouses. Revamping old treehouse building techniques with new and improved methods, the team fuses traditional wood with the power of steel, making these Nelson classics brand new.

A couple wants a treehouse inspired by a children's book with a grown-up twist, and at the same time, Pete and the team build a whimsical Tudor-style theatre treehouse.

Truly a worldwide phenomenon, treehouses extend to even the farthest corners of our world. Pete travels to Japan to tour with the country's most beloved, renowned treehouse builder: Takashi Kobayashi. Longtime friend of Pete’s and truly an inspiration to treehouse builders everywhere, Taka takes his American buddy on a whirlwind tour of his greatest creations, including a treehouse bar in the middle of Tokyo, a luxurious spa retreat in the countryside and a touching treetop tribute to children affected by the devastating 2011 tsunami. All the while, Pete experiences the wonders of Japan's wilds, the quirky excitement of Tokyo, and shares with us traditional Japanese experiences.

In the Season 1 finale, Pete builds a honeymoon suite for a couple who want to get married at Treehouse Point, but all of the other accommodations are booked.

Two sisters who run their family’s rural inn in Farmington, Pennsylvania, present Pete with a bear of a task: build an observation treehouse on their 1000-acre property, where they can watch the black bears roaming the land. Pete is a little nervous at first when it comes to his team building in the midst of these wild beasts, but he turns his fear into inspiration by creating his first-ever mid-century decagon treehouse with walls of glass and windows, a wrap-around deck, cathedral ceilings and a closed-circuit bear-cam tracking system nestled among three white oaks and standing more than 20 feet from the ground. For the interior, Pete incorporates mission-style furniture, a roaring fireplace and a handmade oak bar.

Pete's fun-loving friend is the lucky recipient of a treehouse built strictly for good times; the team builds a dream of a treehouse complete with a wine bar, a loft, and their first-ever hot tub in the woods of Western Washington.

Getting lost in the forest for some behind-the-scenes fun with tree house master Pete Nelson as he uncovers never-before-seen footage, bloopers and loads of extra tree house tours, including a new peek inside Dale Earnhardt Jr.'s arboreal escape.

Pete journeys to the pine-forested splendor of Scandinavia to explore Norway's magical TreeTop Hotel and Sweden's floating Treehotel, with tree homes suspended by cables and accessed only by retractable ladders.

Pete builds a treehouse that represents the meaning of summer camp, with a glamorous twist, just off the coast of WA. Pete gains inspiration to create a space that includes archery, a rock climbing wall, and enough bunk beds to sleep plenty of “glampers.”

A nature-loving woman in Humboldt County, California, asks Pete and his crew to build a treehouse that pushes their skills to the limit. She feels cramped in her home and wants a permanent residence 60 feet up in the area’s giant redwood trees. Pete and crew take the comforts of home to new heights in this bohemian-chic, tri-level treehouse, which boasts a bathroom, lounge and bedroom loft spread out throughout three floors with low-hanging lights, tapestries, modular furniture and an overall genie-in-a-bottle aesthetic. The owner dreams of being able to see the Pacific Ocean from her cozy forest perch atop the redwood canopy, and Pete knows that he and his crew are the only ones who can deliver!

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

Pete uses handhewn rustic cedar to build an African-inspired circular hut treehouse complete with aerial walkway, spiral staircase, and thatched roof.

Pete and the crew join a group of young carpenters from Sawhorse Revolution, an organization that introduces carpentry to students with community service projects, to build a treehouse escape.

Pete builds a citadel fortress for a Texan couple who loves all things medieval; a 25-foot-high tower holds a round table and thrones, as well as a glass floor loft; a metalsmith joins the build to craft medieval touches.

Pete journeys to Kauai to build a sky-wave treehouse for a couple who ditched the mainland for a laid-back lifestyle and transforms a bohemian treehouse for two former professional surfers into a masterpiece with a crow's nest 60 feet off the ground.

Treehouse designer Pete Nelson and his team turn clients' sky-high dreams into incredible realities.

Pete and Daryl join forces with an inventive treehouse designer to create a sky-high geometric globe for an adventurous and deserving family whose many good works include rescuing lost and stranded hikers in the vast woodlands near their Seattle home. This 30-sided, out-of-this-world treetop orb will be connected to the trees solely by wires.

Taking a look back at builds from the past is always a joy for Pete and the carpenters of NT&S. Pete and a few crew members gather around the campfire to poke fun at one another about the shenanigans they shared when building high up in the trees!

Brian Kelley – a Southern gentleman who just happens to be half of superstar country-pop sensation Florida Georgia Line – is dreaming of a treehouse that he can “cruise” to with his gorgeous new wife in their home outside of Nashville. It is a three story whimsical, speakeasy-themed creative space built at the edge of a ravine below their home, perched in two strong oaks and a hickory tree. A sky-high bridge attached to their front porch floats through the tree branches to the second story of the treehouse, allowing the couple to easily access their private refuge. Pete incorporates wood from a treehouse that Brian’s father built for him as a boy, a bedroom, office, writing room, and a fantastic music-recording studio decorated with Guatemalan fabrics and vintage light bulbs.

A couple in Tulsa has two things in common: they are both expert gardeners and they both have Scottish heritage. They enlist Pete to build “something extraordinary” in their backyard by creating a treetop Scottish cottage 10-feet high in a robust pin oak.

Pete gathers up the posse to build a Wild West-themed treehouse in North Bend, Washington; they build a horseshoe-shaped construct with a bedroom, county jail loft, and genuine copper ceiling set 15-feet high in a solitary Douglas Fir.

A Kenyan born author wants a African themed hut in Washington. Pete uses handhewn rustic cedar to build an African-inspired circular hut treehouse complete with aerial walkway, spiral staircase, and thatched roof.

In Kentucky, Pete creates a treehouse with 17-foot-high ceilings and open-frame timber rafters, allowing a couple with a love of tree-climbing to harness up and dangle from both inside and out.

Pete and his team embark on a quest to an idyllic farm in Waxhaw, NC with orders to craft an elegant English retreat with a hanging bed fit for a queen. But one thing might stand in the way of Pete and his holy grail of pastoral treehouse builds...goats!

A fun and zany behind the scenes look at the show with some of Pete's favorite, never-before-seen moments.

Pete goes to Nebraska to build a tree house for a fun-loving family who enjoy music, writing and the occasional happy hour.

Join Pete on an adventure in Germany with two renowned treehouse builders - Christopher Richter, a former student, and Andreas Wenning, one of the world's most celebrated treehouse architects - as they tour Deutschland and every treehouse they can find!

A farm in Wisconsin is the setting for a two-story tree house that features two decks; a loft; a lounge; and an art studio that has storage space for paint and canvases, a slop sink for washing brushes, an easel, drafting tables and a sewing station.

In search of an inspiring space to begin her first novel, a writer in Rhinebeck, New York calls on Pete to build a hideaway to embrace her creativity but instantly feels blocked when she disagrees with Pete about the chosen tree. Once Pete wins her over, he transforms the tree into a gold-leafed “Spirit House” retreat filled with Buddhist artifacts and uplifting oddities and a loft to rest the brain between chapters.

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 crew round-up the magnificent seven of cypresses alongside the Frio River and mosey on down to Leakey, Texas to build a gigantic, Texas-sized treehouse with the longest bridge in NT&S history.

The matriarch of a multi-generational Memphis family with a retreat in a wild bird paradise reaches out to Pete to build a giant bird nest treehouse. This “human nest” will pay homage to the magnificent egret nests that line the family’s lake, and will be housed in two hackberry trees and one sturdy oak.

When asked in 2016 what she would do with her winnings, ``America's Got Talent'' Season 11 winner Grace Vanderwaal said she wanted a tree house built by Pete Nelson; the 13-year-old singer-songwriter's wish comes true.

Pete builds a treehouse that represents the meaning of summer camp, with a glamorous twist, just off the coast of WA. Pete gains inspiration to create a space that includes archery, a rock climbing wall, and enough bunk beds to sleep plenty of “glampers.”

A barn-theme tavern—complete with a brewing system—that's accessible by a rope bridge 25 feet high is constructed for a family in rural Ohio, and Pete gets help with the project from some Amish neighbors.

Pete and Daryl join forces with an inventive treehouse designer to create a sky-high geometric globe for an adventurous and deserving family whose many good works include rescuing lost and stranded hikers in the vast woodlands near their Seattle home. This 30-sided, out-of-this-world treetop orb will be connected to the trees solely by wires.

A Seattle couple want a space for meditation, so Pete uses a pair of maples to build a tree house 20 feet high that features curved walls and views of Puget Sound and the Olympic Mountains, as well as three flights of animal-friendly stairs.

A spa retreat on a ranch in Texas presents Pete with several plumbing challenges when he makes room for a steam shower and a Japanese soaking tub.

A Texas Dad wants a mancave so he has somewhere to bond with his grandson. Pete builds a 600 square foot Western-style mancave treehouse with cigar humidor, meat smoker, flat screen TV, bathroom, stone walls, and can sleep 5.

Pete and his crew are tasked with building a nature center, 14 feet off the ground at 10,000-acre nature preserve, Dogwood Canyon in Lampe, Missouri, established by Bass Pro Shops founder Johnny Morris, for the company's upcoming Christmas party.

A 500 square-foot ski lodge treehouse with a stainless steel candy kitchen and wine bar, 11 feet in the air and among 14 camphor trees is the gift Santa Pete wants to give the candy and wine making Splinter family of Northern California.

Pete and his crew reminisce about their adventures and answer questions from fans.

Pete builds an all-star speakeasy for basketball legend Shaquille O'Neal; the ball is in Pete's court to design a decagonal structure with a soaring 25 ft. high ceiling and extra wide stairs to accommodate Shaq and his size 22 shoes.(TD)

Pete revisits his former home – a site where he built his very first treehouses. Revamping old treehouse building techniques with new and improved methods, the team fuses traditional wood with the power of steel, making these Nelson classics brand new.

A young couple has big dreams of a lighthouse treehouse atop a seaside seawall along the coast of Northwest Washington. Pete is challenged by the property’s incredibly steep grade and must deliver all of his materials to the site by way of barge only! The octagon-shaped, two-story, white-and-red shingled structure, which is housed among a group of cottonwood trees, features porthole windows, a wrap-around balcony, a nautical-themed interior and rainbow-colored glass. The couple, wanting to truly live off the grid, throws Pete a curve ball by asking him for a rainwater shower system, a composting toilet and supply power (where there is none). Surprisingly, Pete delivers a custom gift for the couple's pampered pooch: a 'backyard' high in the air!

Pete Nelson uproots an existing treehouse from the family-owned bed & breakfast Treehouse Point to build a custom-made treehouse as a housewarming gift for his daughter, Emily.

The “Treehouse Masters” team constructs a tree fort for a deserving family; Pete and the group recall their biggest challenges and most impressive builds.

A couple who live in a one-room yurt in Portland, Maine, want a space for entertaining, so Pete builds them a tree house 19 feet high that features a rooftop crow's nest, a copper roof and a wall of windows that offers scenic New England views.

Pete and the crew look to Buddha's teachings as they build a traditional Japanese teahouse 20 feet in the air complete with a shoji screen wall, Tatami mats, low table with sunken floor and pagoda style roof for a zen-like paradise in Seattle.