Shadyside… The Art Festival on Walnut Street is a beloved summer art exhibition situated in the Shadyside neighborhood of Pittsburgh, PA. This vibrant area, known for its tree-lined avenues, historic residences, and fashionable establishments, will once again be converted into an open-air gallery showcasing fine art. Walnut Street caters to all tastes, featuring distinctive local boutiques, and a wide array of restaurants, bars, and eateries offering diverse culinary options.