Pete Nelson of Nelson Treehouse & Supply in Fall City has built almost 400 treehouses across the world, starting when he was 7 with his dad. Now 62, he is something of a grandfather and ambassador to ...

I built my kids a treehouse without a tree by creating an elevated playhouse on posts. It's a smart backyard DIY that’s as ...

Some little kids dream of building a treehouse. But one Japanese man turned his childhood dream into an adult reality. Growing up in Tokyo, Satoru Kikugawa frequently visited the family summer home in ...

When life gets messy, it’s easy to daydream about leaving your typical day-to-day and escaping to a place in the woods where you can leave your troubles behind. Treehouses can offer a wonderful escape ...

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 ...

A new Taschen book spotlights 62 architect-designed tree houses—from floating globes and steel cubes to net terraces and modular cells. Here are eight standouts from around the world. Tree houses ...