National Doughnut Day is so popular that there are two days to celebrate this holiday! And what better way to spend the holiday than by going on a Chicago Doughnut Tour courtesy of Underground Donut Tour? This one and only Chicago tour invites you to experience four of the best doughnut stores in the Chicago Loop at which you’ll be tasting a few doughnuts at each stop. For anyone who truly enjoys doughnuts, this is a MUST. If you’re not sure that you want to consume so many calories in a short period of time, know you’ll be burning off the excess by walking several city blocks from one location to the next! So what are you waiting for?! Sign up to celebrate today!