Travelers are voting Lincoln Park, Millennium Park and Brookfield Zoo as the best of 11 city parks in Chicago. There are 10 city parks in Markham a city just 30 km from Chicago and 4 city parks in Joliet which is 30 km distant. The most popular of these are Millennium Park in Markham and Brookfield Zoo in Joliet. You can find 15 city parks in Illinois and 536 city parks in the country of United States. Our members favorite in Illinois is Lincoln Park and Central Park is the top pick in United States. Want more? Check out our map of city parks in Chicago.