Yellowstone NP gets all the "press" but, IMHO, Grand Teton NP is actually more interesting and photogenic.

And, a little known Wyoming fact, the Wind River Range is actually the highest mountain range in Wyoming.

Wyoming, Grand Teton NP

24 photos
Wyoming, Grand Teton NP

Wyoming, Wind River Range

28 photos
Wyoming, Wind River Range

Wyoming, Yellowstone NP

20 photos
Wyoming, Yellowstone NP