Mile High Mamas’ weekly event round-up includes the ultimate guide to keep adults and children spooked this Halloween! Halloween Calendar Boo Coo Jazz Band Masquerade Ball Oct. 31 Come dressed in costume for live music, food and drink. Great for young adults. 7 p.m. at the Glenwood Springs Center for the Arts. 601 E. Sixth St., Glenwood Springs. Call 970-945-2414 for tickets. Boo at the Zoo Oct. 23-25 Families with young children can trick or treat in a safe environment at the Cheyenne Mountain Zoo from 5:30-8:30 p.m. $15 for ages 3-65, $13 over 65, free under 3. Ride the free shuttle from the Sears parking lot at the Broadmoor Towne Center. 4250 Cheyenne Mountain Zoo Road, Colorado Springs. 719-475-9555 Bootown at Heritage Square Oct. 31-Nov. 1 Non-scary 5,000-square-foot outdoor Ha...