Illustration of an aerial view of an 11th century Norman castle in Europe. From this view, it is possible to see the outer wall, moat, outer and inner courts, the keep, turrets, stables and other interior buildings. There is a palisade of stakes around the moat.

An 11th Century Norman Castle, Aerial View

Illustration of an aerial view of an 11th century Norman castle in Europe. From this view, it is possible…

Also known as the Castle of St. Angelo. A castle is a defensive structure seen as one of the main symbols of the Middle Ages.

Hadrian's Castle, Rome

Also known as the Castle of St. Angelo. A castle is a defensive structure seen as one of the main symbols…

Illustration of the Norman-built Rochester castle. The architect of the castle was Gundulf, a Norman monk, and the castle protected England's southeast coast. It is a view of the castle from the northwest and two of its towers are visible. There is a road leading away from the castle. A woman and a child holding hands, walk down the road. Trees line the road.

Rochester Castle as Seen from the Northwest

Illustration of the Norman-built Rochester castle. The architect of the castle was Gundulf, a Norman…

A cross-section of a ship.

Section of a ship

A cross-section of a ship.