But even during the week a lot of museums can be visited for free. For example Mozarts Birthplace and the residence gallery.
On Tuesday May 15th the house of nature and on Wednesday the celtic museum in Hallein can be visited for free. The museum of modern art also takes place on Thursday as well as the open air museum and cathedral museum on Friday and the new residence and the baroque museum on Saturday.
All in all, 28 different museums in Salzburg are opening for free on Sunday!