Bag a few good deals, purchase a cute souvenir or sample some regional fare at Oficina do Artesao Mestre Quincas. This busy place will help you get a true flavor of the local community and culture.
When you've finished at this community marketplace in Petrolina, why not make your way to Fogo Island, Sao Francisco River Park, and Rio Sao Francisco? They're not far from Oficina do Artesao Mestre Quincas and also a hit with many tourists.