Here are two interesting ones
Notice how the deeper one goes the more it become symmetric then they change the path slightly and it becomes symetric again:
http://kottke.org/10/02/insanely-deep-fractal-zoom
Fractals are a design template and here is another:
Fibby:
http://www.youtube.com/watch?v=Ciwil8pgDrE&feature=grec


