Salzburg: Schloss Hohensalzburg

Hohensalzburg Fortress is a large medieval fortress in the city of Salzburg, Austria. It sits atop the Festungsberg at an altitude of 506 m. It was erected at the behest of the Prince-Archbishops of Salzburg. The fortress is 250 m long and 150 m wide making it one of the largest medieval castles in Europe.