Hohenzollern Castle
Hohenzollern Castle (German: ) is the ancestral seat of the imperial House of Hohenzollern. The third of three hilltop castles on the site, it is located atop Mount Hohenzollern, above and south of Hechingen, on the edge of the Swabian Jura of central Baden-Württemberg, Germany.
Hohenwerfen Castle
Hohenwerfen Castle () is a medieval rock castle, situated on a precipice overlooking the Austrian market town of Werfen in the Salzach valley, approximately south of Salzburg. The fortress is surrounded by the Berchtesgaden Alps and the adjacent Tennen Mountains. Hohenwerfen is a "sister" of Hohensalzburg Fortress, both built by the Archbishops of Salzburg in the 11th century.