Free. Carousel or train ride $3. Malott Family Penguin Encounter $60; $50 (Lincoln Park Zoo members).
Save 10% at food and retail locations.
Mon.-Fri. 10-5, Sat.-Sun. 10-6:30, Memorial Day-Labor Day; daily 10-5, Apr. 1-day before Memorial Day and day after Labor Day-Oct. 31; daily 10-4:30, rest of year.