This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated.The last Thursday of July is known as National Chili Dog Day. Over the years, the chili dog has become a popular summer food that you can find at fairs, boardwalks, street trucks, and other restaurants. Destination Dogs in Center City is a popular spot to get a chili dog in Philadelphia. Our Khiree Stewart went there to check out their different varieties. Click here for more information on Destination Dogs.