Pete Nelson has unveiled his biggest treehouse to date, called Cypress Mansion in Texas Hill Country, which has five decks.

O2 Treehouse is known for crafting fantastical escapes, likes this new J.R.R Tolkien–inspired backyard retreat. Welcome to Tiny Home Profiles, an interview series with people pushing the limits ...

a few of which still stand—and which could be the future home of an elven treehouse “flet” if the group reaches its maximum fundraising goal.

To get to what many people in East Tennessee called the world's biggest treehouse, you'd drive down a country road. You'd pull onto a long driveway, and there it was, rising from the woods ...