Question: when are free days at brookfield zoo?
Answer: Free Days at Brookfield Zoo. Where: Brookfield Zoo, 3300 Golf Rd; Brookfield, 708-688-8000. When: Tuesdays, Thursdays, Saturdays, and Sundays through February 29, 2020., all guests will receive FREE ADMISSION to Brookfield Zoo. You do not need to buy admission tickets if you plan on attending those days.