I've been working on an interactive data visualization about the scale of the brain. It is supposed to educate people about parts of the brain and its depth.
ETA: next Tuesday
http://imgur.com/cthoD4n
Interesting, I guess you could expand into other areas and end up having the entire body. While you at it, I hope you are building it as a platform allowing others to create something similar for anything physical: cars, trees, whatever...