Mt. Vernon's ever growing indoor / outdoor flea market and vendor fair. Located at Veteran's Park, 800 S. 27th St. At Market Days, a variety of vendors sell diverse items such as antiques, collectibles, handmade items, plants, jewelry, blacksmith, flea market finds, produce, baked goods, kettle corn, concessions and much more. Admission is free. Visit, shop, and enjoy the Market atmosphere at Mt. Vernon's Market Days.