Mentioned by TripSavvy
The 10 Best Attractions for Young Kids in Chicago
"It would be hard to find a kid that doesn't like the zoo, especially the Lincoln Park Zoo, with its historical architecture and world-class wildlife exhibits nestled among lagoons and mature trees not far from Chicago's downtown. Families traveling on a budget will appreciate the fact that the zoo is open free of charge 365 days a year. Lake Shore Drive and Fullerton Parkway, 312-742-2000."