In search of more living space for their growing family, a Texas couple asks Pete to create a the biggest treehouse he's ever built - a ranch-style treehouse lofted in several hackberry trees on their sprawling property outside of Waco, TX.

An Irish family in Orange County, CA has the perfect olive tree in their backyard to nestle a Celtic-themed cottage. Pete devises a challenging circular design that includes a fireplace and even a rainmaker to mimic the wet Ireland climate.

An Austin, TX entrepreneur enlists Pete to build the world's first spa treehouse on her ranch retreat. Pete tackles plumbing challenges and builds an over-the-top spa equipped with a steam shower, a Japanese soaking tub and plenty of tranquility.

An Ohio family enlists Pete to build a brewery-in-the-sky on their massive rural property. With the help of a few Amish locals, Pete crafts a barn themed tavern with a brewing system in the trees accessible by a rope bridge 25-ft off the ground.

A writer in Rhinebeck, NY calls on Pete to build a hideaway to embrace her creativity. Pete transforms an old cedar tree into a gold-leafed "Spirit House" retreat filled with uplifting oddities and a loft to rest the brain if she hits a writer's block.

Faced with the need to expand their home after their daughter returns from college, a family in Medford, OR calls Pete to expand their not-so-empty-nest. Faced with evolving client requests, Pete transforms his design into a multi-faceted guesthouse.