Tour the Capital. You can even make reservations to go up to the dome. I've heard they're allowing you to go outside once up there. There's also a few brewpubs and a micro distillery you can tour. Shop or walk LoDo, the 16th st Mall, and Cherry Creek Mall. Shoot some guns at the Firing Line. Rocky Mountain National Park. Mount Evans. Garden of the Gods. Pikes Peak. Air Force Academy. Gamble in Central City/Blackhawk.