Here's a "Bigfoot" on Mars, can you see it? (reading clouds again of course) Anyway, I have fun looking at these with my "3D" red/blue filter glasses, they seem to be 3 D anyway.
It's far away on the above shot so enlarge it, and also links given below on off topic babbling show it closer up.
But the "legs" of "bigfoot" seem to blend into the outcropping/bedrock below it so it is a dark colored (maybe basaltic) rock which has been exposed by wind/erosion.
I give my own thread the thumbs down because this kind of stuff is clearly nonsense but is fun to debunk and look at. Although Lear/Hoagland are making a big splash with the C2C public, it is so obviously false; but easy and fun to debunk.
Remember in old days people like Carl Sagan liked to debunk Velikovsky's nonsense.