The Lincoln Park Zoo in Chicago, which has free admission, built a new habitat for its polar bears several years ago.
The Lincoln Park Zoo in Chicago, which has free admission, built a new habitat for its polar bears several years ago. Lincoln Park Zoo
The Lincoln Park Zoo in Chicago, which has free admission, built a new habitat for its polar bears several years ago. Lincoln Park Zoo

Traveling on the cheap? Find free things to do, places to visit in all 50 states

August 24, 2016 10:50 AM

UPDATED August 25, 2016 01:36 PM

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