Free things to do this weekend in and around Denver

Denver's Top Picks for FREE family-friendly fun Friday, July 17, 2026 to Sunday, July 19, 2026

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

• Free Kids Rides on the Tebo Train - Pearl Street Mall, Pearl Street, Boulder, CO 80302, USA, July 17, 2026 & July 20–21, 2026; 9:30 AM - 11:00 AM
• Pearl Street Arts Fest - 1942 Broadway Suite 301, Downtown, Boulder, CO 80302, United States, July 17–19, 2026; 10:00 AM - 8:00 PM
• Art Stop at Boulder Museum of Contemporary Art - Boulder Museum of Contemporary Art, 1750 13th Street, Boulder, CO 80302, United States, July 18, 2026; 9:00 AM - 2:00 PM
• Jr Rangers- Aquatic Insects - Eldorado Canyon State Park, Kneale Road, Eldorado Springs, CO, USA, July 18, 2026; 10:00 AM - 11:15 AM
• Astronomy Night: Gems of the Summer Sky | Majestic View Nature Center - Majestic View Nature Center, 7030 Garrison St, Arvada, CO 80004, United States, July 17, 2026; 8:00 PM - 10:00 PM
• Tennyson Street Fair 2026 - Located between W. 39th Ave to W. 43rd Ave, Tennyson St, Denver, CO, July 17–18, 2026; see website for times
• Mythical Storytime with Fantasy Friends - The Audacious Space, 1373 N Grant St., Denver, CO 80203, United States, July 19, 2026; 1:00 PM
• Food Access Forum - PO Box 200488, Denver, CO 80220, United States, July 18, 2026; 6:00 PM
• Thornton 70th Anniversary History Exhibit - Thornton Arts & Culture Center, Dorothy Boulevard, Thornton, CO, USA, July 17, 2026 & additional dates; 10:00 AM - 5:00 PM
• Summer Concert Series Featuring The Long Run - The Orchard Town Center, 14697 Delaware Street, Westminster, CO 80023, United States, July 18, 2026; 6:00 PM - 8:00 PM
• Chainsaws and Chuckwagons 2026 - Town of Frederick, 401 Locust Street, Frederick, CO 80530, United States, July 17–18, 2026; see website for times
• DC Super Hero Sightings - Gaylord Rockies Resort & Convention Center, North Gaylord Rockies Boulevard, Aurora, CO, USA, July 17, 19 & 24, 2026; times vary
• Wildlife Rescue - An Augmented Reality Experience - Gaylord Rockies Resort & Convention Center, North Gaylord Rockies Boulevard, Aurora, CO, USA, July 17–19, 2026; at your leisure
• Unearth a Story: Summer of Imagination 2026 - Aurora Public Library (Central), 14949 East Alameda Parkway, Aurora, CO 80012, United States, July 17–18 & 20, 2026; 10:00 AM - 6:00 PM
• Project Prom: Donation Drive - Aurora Public Library (Central), 14949 East Alameda Parkway, Aurora, CO 80012, United States, July 17–18 & 20, 2026; 10:00 AM - 6:00 PM
• Kids Zone: Ready, Set, Score! - Edward C. Rochette Money Museum, Colorado Springs, CO, July 18, 2026; 11:00 AM - 12:00 PM
• Virtual Class: Happy Holidays from Texas - Bullock Texas State History Museum, 1800 Congress Ave., Austin, TX 78701, United States (virtual class), July 17, 2026; 10:00 AM - 10:45 AM
• Virtual Class: Saving La Belle - Bullock Texas State History Museum, 1800 Congress Ave., Austin, TX 78701, United States (virtual class), July 17, 2026; 2:00 PM - 2:45 PM