Salzburg, Austria

Salzburg sits along the Salzach River at the northern foot of the Alps with 155,000 residents. World-famous as Mozart's birthplace and the setting for The Sound of Music, key sights include the 11th-century Hohensalzburg Fortress and Mirabell Gardens. Walking through the narrow Altstadt lanes uncovers centuries-old breweries, Baroque fountains, and traditional confectioneries.