Colorado School of Mines Geology Museum in Golden (always free)

If you are spending a day in Golden and looking for free attractions, The Colorado School of Mines Geology Museum has a large display of rare gemstones, and their mining display downstairs should not be missed!

Location:
1310 Maple St., Golden, CO 80401
The Museum is located in downtown Golden on the Colorado School of Mines campus, in the General Research Library building.

Check their web site for details: