We finished Irena’s version 2.0 tree house this weekend. The kids and I have been working on it for 3 weekends, and this is as far as it’s going to go this round.

Along the way I came across several tree house videos that I would like to share (and store here) in case we ever go to version 3.0. Which is doubtful, because the “next level” in tree house architecture seems to get a lot more expensive and probably requires permits. Here is one amazing tree house from Wisconsin:

A multi-level, multi-tree tree house with rope bridge and zip line:

Another zip line:

But this is the ultimate zipline, in Laos:

A handicap-accessible tree house:

This one deserves mention because this is the classic tree house, designed and built by a kid, apparently on his own, apparently out of scrap lumber scavenged from construction sites:

Want to build your own tree house? Here are some ideas:

This seems like cheating, but it is a nice-looking house:

These are tree homes, really, rather than tree houses:

Another elaborate one, for adult living:

Tree House Living (For Adults)

In Costa Rica:

More info:

- How Tree Houses Work

- How to Build a Backyard Treehouse

- 12 Unusual and Creative Tree Houses

- 10 Awe-Inspiring Treehouse Designs

- 10 Treehouse Engineering Feats for Weekend Lounging

- O2 Sustainability Treehouse and Geodesic Dome and Treehouse

- Sybarite Treehouse

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