The Virtual Shoe Museum has a large collection of designer shoes from around the world. The coolest section is the experimental shoes, some of which are shown above.
Check it out: Link (click on "special use" on the left-hand side navigation bar then select "experimental") - via growabrain
2nd one: YUCKO!!
3rd one: Hideous square toes! RUN AWAY! RUN AWAAAAYYY!
--TwoDragons