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Photo: via Wikimedia Commons, CC BY-SA 3.0
A Gothic church with later alterations of the interior decorations in Baroque style.
The Church of Saint Francis is the most prominent Gothic monument in Porto, Portugal, being also noted for its outstanding Baroque inner decoration. It is located in the historic centre of the city, declared World Heritage Site by UNESCO.
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Stock Exchange Palace
It was built in the 19th century on the grounds of the destroyed old cloisters of the adjacent São Francisco church. It also contains the most impressive Arab room in the country. There is also a Port wine tasting room.
A small exhibition about Port wine and its certification process. Samples of a small variety of Port wines can be bought. Guided tastings and tours to the laboratories can be arranged.
Riverfront
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 (the two are only separated by the river) and where you could find the Port Wine Cellars.
Portuguese Photography Museum
Housed in a beautiful building in the centre of the city.
Porto Cathedral
This Romanesque cathedral was built in the 13th century. Later on Baroque alterations were made in the 17th and 18th century. The cathedral is on top of a hill from where you also have great views over the city and the river.