The Natural History Museum of Los Angeles County is a natural and cultural history museum with dinosaur, gem, wildlife, and Los Angeles history galleries. Free resident hours are limited to Los Angeles County residents with proof of residence. Official pages conflict on online versus onsite ticketing, so check Details before travel. Parking, special exhibitions, the Butterfly and Spider Pavilion, 3D Theater, and other add-ons cost extra. NearbyGrid lists this free-admission opportunity for discovery. We do not host or organize it. Free admission may cover general admission only; special exhibitions, films, rides, parking, reservations, age or residency requirements, or other activities may cost extra or have separate rules. Click Details to confirm the date, time, location, eligibility, reservation requirements, and exclusions on the venue's official page before you go. Verified August 26, 2026 against the museum's current official pages and Discover Los Angeles: https://www.discoverlosangeles.com/things-to-do/enjoy-free-museum-days-in-los-angeles