Oak Park is Frank Wright's home as well as birthplace, there are lots of Wright's masterpieces, considered as "Prairie Style" town, it is not too far from my house, I'll take some pictures when I get time.
rzp wrote:
(deleted, sorry. Permission issue.)
It is one of Wright's residental Prairie style houses - Arthur Heurtley House, 318 North Forest Ave, Oak Park, recently on market for 4.9M.
http://www.bluffton.edu/~sullivanm/oakpark/oakpark2.html
Complete restored and renovated, according to Architectral Digest.