Well, if you're looking for things to do in Chicago on Christmas Day, there are actually quite a few options. You could go ice skating at Millennium Park or visit the Lincoln Park Zoo, which is open every day of the year. You could also check out the Christkindlmarket, which is an outdoor holiday market that features German food and crafts. And if you're feeling adventurous, you could take a stroll down State Street, which is always decorated with festive lights and holiday cheer. So there's plenty to keep you entertained on Christmas Day in Chicago!