If you have a space fan on your hands, take a trip to Adler Planetarium. Parents will love the gorgeous building, located right on Lake Michigan, while kids will love the exhibits and shows. Planet Explorers (for kids 3-8) lets your child become a space explorer, taking an awesome trip through the universe to the mysterious Planet X, and One World, One Sky: Big Bird's Adventure follows Big Bird and Elmo as they learn about the Big Dipper, the North Star, the sun, and the moon. General admission is $12 for adults and $8 for kids 3-11.
Source: Adler Planetarium