Theo Jansen makes wind-fueled kinetic sculptures specifically for walking and “surviving” on the beach. He calls them Strandbeests and they are extraordinary. Check out his 2007 TED Talk, which explains more in detail about how “the animals” move:
…and you can find more videos on Vimeo.
Want your own? There are table-top versions in kits that you can build.
From The New Yorker.