Polestar, the Swedish maker of sustainable cars, has created a modern tree house called KOJA. With a mid-century flare and entirely made of sustainable materials, this is one cool experiment in ...

Haley Mast is a freelance writer, fact-checker, and small organic farmer in the Columbia River Gorge. She enjoys gardening, reporting on environmental topics, and spending her time outside ...

Add Yahoo as a preferred source to see more of our stories on Google. An eye-catching, midcentury modern "treehouse" that is secreted away among the greenery in Oregon has hit the market for $1.09 ...

The treehouse grows up in this luxurious rendition that guests can rent. Built by the locally based Fort Treehouse Co., this 370-square-foot (34-square-meter) treehouse rises up two stories and spans ...

Calvin and Mika Shelangoski’s Chanhassen home is a modern treehouse. Designed by famed Minnesota architect Charles Stinson, the couple’s custom build merges contemporary design with forest views. “It ...

This Chanhassen home is a modern treehouse. Designed by famed Minnesota architect Charles Stinson, the custom build merges contemporary design with forest views. And until Oct. 10, anyone can stop by ...