In downtown Denver. The single largest producer of coins in the world. Free tour, but be sure to go to their web site and book your reservations in advance.
Near Mosca. Spectacular 2250 ft deep canyon of the Gunnison River.
Near Montrose. Extensive sand dunes up to 750 ft tall at the foot of the Sangre de Cristo Range.
Near Cortez and Mancos. UNESCO World Heritage Site protects nearly 600 Ancestral Pueblan cliff dwellings.
Between Estes Park and Grand Lake. Park protects 265807 acre of pristine mountains along the Continental Divide of the Americas.