Published: Jun 25, 2012 2:02 PM EDT

COLORADO SPRINGS, Colo. (AP) - Some hotels and campgrounds in parts of Colorado could be empty for the Fourth of July holiday. Smoke from wildfires is driving people out of top state tourist destinations, such as a blaze near Colorado Springs, which grew to more than 3 square miles Sunday. A forest fire near Rocky Mountain National Park burned some 22 homes and other structures near the mountain community of Estes Park.