I'm travling from NYC to Phoenix. So far we've planned the following places to stop.

Col. OH
Chicago (kind of off track but have to visit some friends)
St. Louis
OK City
Santa Fe
Flagstaff/Sedona
and then to Phoenix

Any suggestions on cool things to see and keep an eye out for on the way? I used my AAA to get the best route to take and this is what I got.

Any info would be a great help!