Primitive-Garde Architecture by Terunobu Fujimori
1. Nemunoki Art Museum
2. Chashitsu Tetsu
3. Takasugi-an (too high teahouse)
All images came from a single screenshot from Bonjour Johanna, where I learned about Mr. Fujimori.
5/1/11 Edit: Actually today I came across an email about him from a.w. in 2007.