Salzburg is a city in Austria, with a population of some 148,000 in 2005. If you've seen the movie The Sound of Music, you may think you know all there is to see in Salzburg. Admittedly, it's tough not to burst into song when you're walking along the Salzach River, or climbing up to the Hohensalzburg fortress which looms over the city. But there's a lot more to this compact, courtly city than Julie Andrews and Mozart's birthplace...