Annual National Muscadine Festival in historic downtown Sweetwater. Among the festivities will be a parade & muscadine stomp, vendors, arts & crafts, live music, a BBQ cookoff, a kid’s zone, wine tasting & much more. A shuttle will run out the state’s largest muscadine vineyard, Tsali Notch Vineyard & the world’s largest underground cave, The Lost Sea. 423-337-6979