The Nautilus Submarine art car, and the Serpent Mother giant snake metal sculpture.
“The Nautilus” by Five Ton Crane, a San Francisco Bay Area art collective, is a 25 foot long art car inspired by the submarine from 20,000 Leagues Under The Sea.
More info on the Nautilus art car website.
Photo taken at the Burning Man 2015 festival (Black Rock Desert, Nevada).