Photo: Wikimedia CommonsIn the heart of Portos Art District on Rua do Rosario, Circus Network is a gallery and shop championing urban art, illustration and design by local and emerging artists. You can pick up affordable signed prints, zines and original works that directly support the makers. It is a refreshing alternative to generic souvenirs. Ask the staff which artists are Porto-based, and follow the neighbouring walls for the street murals they help curate.