I’m sure it’s something else, but this petroglyph looks like a dinosaur to me.
Petroglyphs at Newspaper Rock, in Utah.
Crow Canyon Petroglyph Site, New Mexico.
This insect looks modern to me… and I found it near (signed and dated!) graffiti from the 1940s and 50s.
round head, tall thin figure, buffalo shot with arrow
elk, shot through with an arrow
Clearly inlandwest and I spend time in a lot of the same places.
figure with tassel on head
figure with arrows