Matsumoto castle, close up shot of the donjon (a massive inner tower in a medieval castle ).
From Asami Tokyo, Japan
Himeji Castle is a hilltop Japanese castle complex located in the city of Himeji, Hyōgo, Japan. The castle is regarded as the finest surviving example of prototypical Japanese castle architecture, comprising a network of 83 buildings with advanced defensive systems from the feudal period.
From Teruka, Japan