Also containing the Paint Pots and Grand Prismatic Spring, for 10 points, identify this state that contains Grand Teton and Yellowstone.
A large collection of stones arranged in a wheel-shaped circle is located atop Medicine Mountain in this state, which is also the location of the headwaters of the Belle Fourche River, which flows by the bright-red Spearfish Formation. It contains a number of plant fossils from the Eocene Epoch at Fossil Butte and its highest point is considered second only to Mt. McKinley in difficulty and contains a namesake glacier, the largest in the (*) Rockies. In addition to Gannett Peak, which is also the highest in the Wind River Range, this state contains Independence Rock as well as a passage between the Sweetwater and Green Rivers that crosses not only an endorheic basin within the Great Divide but  ► South Pass as well. Also containing the Paint Pots and Grand Prismatic Spring, for 10 points, identify this state that contains Grand Teton and Yellowstone. 
A large collection of stones arranged in a wheel-shaped circle is located atop Medicine Mountain in this state, which is also the location of the headwaters of the Belle Fourche River, which flows by the bright-red Spearfish Formation.
Wyoming