- Erik's Treehouses
- Treehouse projects in France. All kids are fascinated by treehouses, up there, hosted by a living creature, safe and cosy as within a hand. The dream also often survives in adults.
- The Treehouse Guide
- Pictures and description of a vertiginous treehouse project by Patrick Fulton. Building advice, designs, book reviews, and examples of other projects.
- Two Marin Playhouses in the Trees
- Detailed pictures of two backyard houses built by a hobbyist in Marin County, California. Tips to consider when planning a treehouse.