Malbork Castle was the stronghold of the Teutonic knights during the Baltic Crusades. But could its mighty walls protect the order from an army intent on ending their reign?
Conwy Castle was one of several strongholds raised by King Edward I to rule over the Welsh. But could it repel a rebel force determined to end English domination?
In 1216, the French army invaded England, intent on claiming the crown. How did the deadly gatehouses and mighty walls of Dover Castle prevent them from seizing the throne?
King Richard I built Chateau Gaillard to assert England's authority over his French holdings. But could it outlast a ruthless French army on a campaign of conquest?
In 1271, a celebrated Muslim warrior king and his massive army attacked the Crac des Chevaliers, the jewel in the Crusaders' crown: did the castle fall?