Windsor Castle, England
Infamous for its beauty, the magnificent Windsor Castle in England has a long association with the British royal family. Currently more than 500 people live and work there.
Hohensalzburg Castle, Austria
Built in the 11th century and later expanded in the 14th century, the Hohensalzburg Castle in Austria is one of the oldest and biggest castles you can still visit today. Located on a mountain in Salzburg it has length of 250 meters and a width of 150 meters, making it one of the largest castles in Europe.