The colourful façades of the buildings. Some of them boast 'azulejo' tilework, the famous squares of blue and white ceramic.
The old districts of Porto, where you will find traditional shops: grocers, old bookshops (including the famous "Lello"), cafés (Guarany and Majestic), etc.
The many churches (Clerigos, Carmes, Carmel, Saint Francisco?) dotted around the city.
The old renovated administration buildings, modelled after the court and the prison which have been transformed into the Photography Museum.
A guided tour of Casa da Música, or the 'House of Music', designed by Rem Koolhaas. It has become an architectural and cultural symbol of Porto and visitors are free to visit its largest rooms, including the famous main auditorium.
A visit of the House of Art Nouveau and the Serralves Foundation Museum and Gardens.
A cruise on a traditional boat on the Douro River.
A shopping session in the district of Miguel Bombarda. You will find many trendy shops and shopping centres like the CCB (Central Commercial Bombarda).
A visit of the bustling Bolhão Market, with its jumble of fish, seafood, cooked meats, olives, flowers, etc.