Colorado is the perfect antithesis to a city vacation, offering up more national parks, hiking trails, ski mountains, and other outdoor activities than you can shake a ski pole at. Even its major cities are surrounded by peaks, geothermal hot springs, and astounding canyons, nicely balancing out the skyscrapers, sports arenas, and museums. If you’re wondering what to do for outdoor fun in the Centennial State, look no further than this list of the best things to do in Colorado.