For Burning Man, artist Duane Flatmo built an enormous octopus automaton called El Pulpo Mechanico. It shoots fire from its feet. So, you know, that's just a bit different from the mechanical octopodes that you encounter normally.
Artist's Website -via Make
Previously: Duane Flatmo's Kinetic Sculpture
Flames out of moving metal.
Now metal out of flames--that would be impressive.