Governor Governor Jared Polis Contact Governor Polis Phone: 1-303-866-2885 Main address: State Capitol Building200 E. Colfax Ave., Rm. 136Denver, CO80203 Planning a trip to Colorado ? From hiking in the Rocky Mountains to skiing in Aspen to staying in a haunted hotel, here are the top things to do in Colorado . Colorado is a state in the western United States. Its capital and largest city is Denver. Other large cities are Colorado Springs and Aurora. Colorado became the 38th state admitted to the union on August 1, 1876. Colorado is noted for its landscape of mountains, forests, high plains, mesas, canyons, plateaus, rivers, and desert lands. It encompasses most of the Southern Rocky Mountains, as well as the northeastern portion of the Colorado Plateau and the western edge of the Great Plains.
