Visit of the Groeninge-museum and Gruuthuuse-museum,
Old St.John's Hospital, Museum of the Church of Our Lady,
St.Saviour's Cathedral, Belfry, City Hall, Liberty of Bruges (Brugse Vrije), Basilica of the Holy Blood, Museum of Our Lady of the Potterie, and many other things ....
Touristic city-tour by canal boat or horse-drawn cab, walking from City square through Burg, Rozenhoedkaai towards the Church of Our Lady, St John's Hospital, the Beguinage and the Lake of Love. (see Guided Walking Tour)
That's what you must do during your stay in Bruges