Dover Keep

Dover Keep is a Norman style square tower built in the 12th Century. Its strategic location on the English Channel has made it a key fortification in the defense of England.

Nunney Castle

Nunney Castle was built in 1373 and is located in Somerset, England. The castle is built in the French style and may have been inspired by the Bastille in Paris.

Sooneck Castle

Sooneck Castle dates from the 13th Century and is located in the mountains along the Rhine River in western Germany.

Doune Castle

Doune Castle is a courtyard castle in central Scotland built in the late 14th Century. The castle appears in the 1974 film "Monty Python and the Holy Grail."

Donjon of Crupet

The Donjon of Crupet Castle is a fortified manor house dating from the 13th Century, located in Belgium.

Grenchen Castle

Grenchen Castle also known as "Bettleschloss" is a small castle in the mountains of northwest Switzerland.

The Donjon of Chambois was built in Normandy in the later half of the 12th Century during the reign of Henry II.

Grosmont Castle

Grosmont Castle is in Monmouthshire and was built in the late 12th and 13th Centuries to help defend the border between England and Wales.

Pembridge Castle

Pembridge Castle is in Herefordshire in the west of England and was built in the late 12th Century to defend the border with Wales.

Nidzica Castle, also know as "Neidenburg" was built by the Teutonic Knights about 1370 in what was then East Prussia and is today Poland.

Rochester Castle is a Norman castle built to guard the crossing of the Medway River on the road between London and Dover.

Valle Crucis Abbey

Valle Crucis Abbey is a Cistercian monastary built in 1201 in North East Wales. Valle Crucis is in a valley named for Elisig's Pillar, a 9th Century Christian memorial cross.

Muiden Castle

Muiden Castle, also known as "Muiderslot," is a Dutch castle built in the 14th Century. It is located at the mouth of the Vecht river and was used to control trade.

Skipness Castle

Skipness Castle is located on Scotland's west coast. It was probably built as a defense against Viking raids in the 13th and 14th Centuries.

Donjon of Falaise

The Donjon of Falaise is the keep of a castle in Normandy, begun in the 11th Century. The castle is said to be the birthplace of William the Conqueror.

Weobley Castle

Weobley Castle is a small castle located on the Gower Peninsula in southern Wales. It was built in the early 14th Century.

Harlech Castle

Harlech Castle is located in northern Wales and was built by the famous castle architect Master James of St. George between 1283 and 1290.

Aughnanure Castle

Aughnanure Castle was built in the early 16th Century and was the seat of the O'Flaherty clan. The castle is located in County Galway, Ireland.