Satisfy the culture vulture within at Dommuseum. See if any guided tours are available or ask museum staff to direct you to some of the highlights.
This museum is on the to-do lists of many visitors to Altstadt Salzburg. But DomQuartier Salzburg isn't the only drawcard here. Mirabell Palace and Gardens, Mozart's Birthplace, and Salzburg Cathedral are some other worthwhile sights close by.