Are you looking for free things to do in Porto? These are the best places to visit:
1National Museum Soares dos Reis
PortoOne of the greatest museums of Portugal; the first national museum in the country that displays some of the best art from home as well as few pieces from international artists. Of course that a collection of António Soares dos Reis, whose name the museum bears, is also a part of the exhibited artwo 2Porto Cathedral
Porto 3António de Almeida Foundation
Porto