Free things to do this weekend in and around Denver

Denver's Top Picks for FREE family-friendly fun Friday, July 24, 2026 to Sunday, July 26, 2026.

(Scroll down for full, detailed list of free weekend activities.)

• Free Admission Fridays! - Mile High Flea Market - Mile High Flea Market - 7007 E 88th Ave, Henderson, CO 80640, United States, Friday, July 24, 2026, 7am - 5pm.
• Descubre Colombia/ Discover Colombia | Event at Arapahoe Libraries - Arapahoe Libraries - Eloise May Library, South Parker Road, Denver, CO, USA, Friday, July 24, 2026, 2-3:30 PM.
• Main Character Energy | Event at Arapahoe Libraries - Arapahoe Libraries - Smoky Hill Library, South Biscay Circle, Centennial, CO, USA, Friday, July 24, 2026, 6-8 PM.
• Western Heritage Welcome Weekend | Cattle Drive - Perry Street, Castle Rock, CO, USA, Friday, July 24, 2026, 6 to 8 p.m.
• Myths, Mops, and Mischief - Theatre Artibus - 2700 Arapahoe Street, Denver, CO 80205, United States, Saturday, July 25, 2026, 11:00 am and 2pm on Saturday, July 25.
• Saturday Morning Pancakes | Fort Lupton Public & School Library - Fort Lupton Public & School Library - 370 South Rollie Avenue, Fort Lupton, CO, USA, Saturday, July 25, 2026, 9:30 am - 10:30 am.
• The 13th Annual Cheesman Park Art Fest - 8th Ave & N. Williams (or) 1599 E. 8th Avenue, Denver CO 80218, Saturday, July 25, 2026, 9 am - 5 pm.
• Birding for Families at Majestic View Nature Center (ages 4+) - Locations vary. Register in advance to receive location, Saturday, July 25, 2026, 9 am - 10 am.
• Summer Artline Block Party! - Lamar Street between 13th and 14th Ave, Lakewood, CO, Saturday, July 25, 2026, 4 pm - 8 pm.
• Chess A2Z July Webinar with NM Austin Liu "Opening Principles: Play Better Without Memorizing Theory" - Chess A2Z - 10940 SW Barnes Rd 247, Portland, OR 97225, United States, Saturday, July 25, 2026, 7PM to 8PM PDT.
• Art Stop at Boulder Museum of Contemporary Art - Boulder Museum of Contemporary Art - 1750 13th Street, Boulder, CO 80302, United States, Saturday, July 25, 2026, 9am - 2pm.
• Free Kids Rides on the Tebo Train - Pearl Street Mall - Pearl Street, Boulder, Colorado 80302, USA, Sunday, July 26, 2026, 9:30 AM - 11:00 AM.
• Mythical Storytime with Fantasy Friends - Audacious Immersive - The Audacious Space, 1373 N Grant St. Denver, CO 80203, Sunday, July 26, 2026, 1:00pm.
• July Free Day at the Clyfford Still Museum - Clyfford Still Museum - 1250 Bannock St, Denver, CO 80204, United States, Sunday, July 26, 2026, 10 a.m. - 5 p.m.
• Concerts at the Green with Wheat Ridge Parks and Recreation - 7101 W 38th Ave, Wheat Ridge, Colorado, United States, Sunday, July 26, 2026, See website.