No res's close. Keep hydrated, do not drink alcohol, tums help with altitude.
Hiway 285 to pine junction, south to buffalo creek. Tame country, you can end up in bailey and return to denver.
Go north east to pawnee grasslands. Shortgrass prairie, antelope, heat. some of Centennial tv movie was set there.
Go to cheyenne, depot museum
Colorado and wyoming both will send tourist maps and info.
Be aware it gets cold at night and weather changes quickly. I have managed to get snowed on every month except August
