That's very cool, Jacomina!  That's Devil's Tower in the upper right, and Yellowstone in the upper left.  The cowboy on the horse is the image that means "Wyoming" to everyone in the country!  :)  It's on their official coin, and on their car license plates.  What a nice carving that is! 

"If your pictures aren't good enough, you're not close enough."  ...  Robert Capa