Learn more about polar bears - and what can be done to help them. The zoo offers twice-daily Arctic activities at 11:30 a.m. and 1:00 p.m. Resident polar bear Anana will be in for some extra treats, and staff and volunteers will be giving away free passes to see To The Arctic 3Dat Navy Pier IMAX Theater.

Museum is free Feb. 6, 13, 20, 27.

Exhibit includes numerous artifacts, photographs and other documentary items that tell the story of Chicago's iconic candy makers, including Snickers, Lemonheads, Butterfingers and Cracker Jack.