Brookfield Zoo The zoo covers an area of 216 acres and houses around 450 species of animals. Brookfield Zoo's North GateBrookfield Zoo, also known as Chicago Zoological Park,opened on July 1, 1934 and quickly gained international recognition for using moats and ditches, instead of cages, to separate animals from visitors. The zoo was also the first in America to exhibit giant pandas.
Lincoln Park Zoo This is one of Chicago's most delightful locations to visit during any season. It is open year round, every single day, and admission is always free. For Chicago locals, this is "the zoo." It’s part of a city kid's childhood. If you grew up in Chicago, chances are you have memories of picnicking on the zoo lawns, playing by its lagoons and touring its many animal exhibits. One trip here and your family will want to make the zoo a surefire weekend stop for years to come.