Palácio da Bolsa (map). It also contains the most impressive Arab room in the country. There is also a Port wine tasting room.
Sé do Porto (Porto Cathedral, map). This Romanesque cathedral was originally completed in the 13th century. Later on Baroque alterations were made in the 17th and 18th century. The cathedral is located on top of a hill from where you also have great views over the city and the river. Free.
Igreja de São Francisco (Church of Saint Francis, map). A Gothic church with later alterations of the interior decorations in Baroque style.
Livraria Lello (map). It’s an old bookshop with an amazing interior and spiral staircase. Voted as one of the most beautiful bookshops in Europe.
National Museum Soares dos Reis (map). Museum displaying Portuguese art. Founded in 1833.
Ribeira (map). The part of the city near the river, which is also a good place to start visiting the World Heritage area; to the other side of the river you will see the Ribeira de Gaia, a similar area from the city of Vila Nova de Gaia (map).
Fundação de Serralves (Modern Art Museum, map). A contemporary museum designed by the famous architect Álvaro Siza, with a huge garden/park and an Art Deco Villa. When visiting this foundation you can visit the exhibitions, relax at the park, have lunch at the restaurant, bar or tea house and explore the shops or the library.