Strandbeest by Theo Jansen

Theo Jansen is a Dutch artist. In 1990, he began what he is known for today: building large mechanisms out of PVC that are able to move on their own, known only as Strandbeest. His animated works are a fusion of art and engineering; in a car company (BMW) television commercial Jansen says: “The walls between art and engineering exist only in our minds.” He strives to equip his creations with their own artificial intelligence so they can avoid obstacles by changing course when one is detected, such as the sea itself.

http://www.strandbeest.com/

You may also like:
LEGO Steampunk Walking Ship (Strandbeest)