http://www.npr.org/templates/story/story.php?storyId=128953596
"The Japanese have long endured crowded cities and scarce living space, with homes so humble a scornful European official once branded them rabbit hutches.
But in recent years, Japanese architects have turned necessity into virtue, vying to design unorthodox and visually stunning houses on remarkably narrow pieces of land. In the process, they are also redefining the rules of home design."
Check out the links on the sidebar for other tiny house constructions.