Ohio probably doesn't come to the top of your mind when planning U.S. vacations, but that's about to change: There's a secret that'll have you ready to book a flight to Cincinnati. Started in 2016, the trail spans 80 miles and covers 12 donut shops in Butler County, Ohio. Start at any one of the shops and you can snag a passport that each store will stamp as you go. If you visit 11 of 12 shops, you even get a free t-shirt at the end (bring it to the Butler County Visitors Bureau to claim your prize). Along the way, you can try every kind of donut your
heart sweet-tooth desires, with flavors like S'mores, Banana Pudding, and Fruity Pebbles. These are the stores that make up .