The Kaiserburg Castle, Museum, Nuremberg, Bavaria, Franconia, Germany, Europe

View of Castello Sforzesco (Sforza's Castle), a medieval fortification dating back to the 15th century, now housing museums and art collections, Milan, Lombardy, Italy, Europe

Childrens Castle Museum, Shibuya, Tokyo, Japan, Asia

Entrance to Wolfenbuettel castle, now a secondary school, pupils sitting on the bridge, Wolfenbuettel, Lower Saxony, Germany

Proszenium arch of a paper theater, Castle Burg, Schloss Burg, Solingen, Bergisches Land, NRW, Germany