Will be travelling mid-June from Denver:

Day 1 - Denver to Rock Springs
Day 2 - Rock Springs to Jackson Hole, Wyoming
Day 3 - Jackson Hole Wy to West Yellowtsone
Day 3 to 10 - staying at a ranch
Day 10 to 11 - West yellowstone to Salt Lake City
Day 11 - SLC to Moab Utah
Day 11 - 13 - Stay in Moab, Utah
Day 13 - back to Denver

How does this sound? Anything worth stopping for along the way? Any towns you would avoid?