Shadyside… The Art Festival on Walnut Street is a proven summer weekend art show located in the Shadyside area of Pittsburgh, PA. This popular neighborhood of tree-lined streets, historic homes and trendy businesses will again be transformed into an outdoor gallery of fine art. The Shadyside locals look forward to this fine art show each year. Walnut Street offers something for everyone – national retail stores, unique locally owned shops, numerous restaurants, bars and eateries featuring a vast variety of cuisines. Plan your art show schedule to include Shadyside!