Welcome To Six Flags Great America Experience the Midwest’s largest and most exciting theme park featuring over 45 thrilling rides, shows, and attractions when we reopen! Things to Do With so many choices, where do you begin? Right here. Take a look at all the amazing things to do while at Six Flags Great America—from pulse-pounding roller coasters to gentler options for tots. Cool off at Hurricane Harbor or take a break at one of our entertaining shows. Catch a bite at one of our restaurants and don’t forget to pick up your souvenirs so you can remember the day!