Since 1997. Home to many upscale stores, boutiques, and restaurants, Shadyside, a traditional Pittsburgh neighborhood, is segmented into three corridors. Given the compact nature of this historic residential neighborhood, the three business corridors are all within walking distance of one another, and provide visitors the ability to enjoy a variety of concerts, festivals and other community events. Walnut Street in Shadyside, transforms into an open-air art gallery with more than 150 artists from around the nation for the annual Shadyside ...The Art Festival on Walnut Street. Meander down Walnut Street and find fine works of art including: photography, functional pottery, paintings, jewelry, sculptures, and much more! There is always something for everyone at the Shadyside art festival.