Peggy Notebaert Nature Museum Illinois Resident Free Day

Peggy Notebaert Nature Museum is the museum of the Chicago Academy of Sciences, connecting visitors with nature and regional science through exhibits and research. This Illinois Resident Free Day provides free basic admission. judy istock butterfly haven is excluded and costs $5 as an add-on. Eligibility is limited to Illinois residents; bring the proof of residency specified by the museum. Free tickets may be reserved online or obtained in person. The offer is for individual tickets, not group registrations. Judy Istock Butterfly Haven is excluded and costs $5 as an add-on. 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 official free-admission page and Choose Chicago’s current Free Museum Days guide.