|Cheap real-estate, just add shrubbery|
|Outer-canopy Dyson Tree|
Saint Exupéry should be proud.
Many thanks to Shubhendu Trivedi at the awesome blog Onionesque Reality for the information on Dyson Trees, this one warrants further exploration. Trivedi is also a huge supporter of Project Orion, and has lots of cool stuff about it over at his blog.