If you haven’t visited one of Colorado Springs’ unique museums, the Money Museum of the National Numismatic Association, which offers FREE admission once a month. Doors of the museum, 818 N. Cascade Ave., open at 10 a.m. that day. Explore the world of money for FREE on the third Saturday of each month. See rare and unusual coins. Check out the beautiful Bass Gallery and see how U.S. coinage has changed over the decades.