A look at how castles ceased to be used for defensive purposes, instead becoming palaces to impress monarchs or ruins that instilled a sense of nostalgia for an age of chivalry in the British psyche.

Originally released by BBC Worldwide Learning, 2014. Streaming video file encoded with permission for digital streaming by Infobase on May 22, 2019.

Introduction: Castles - Britain's Fortified History: Defense of the Realm (2:03); --Bamburgh Castle (3:39); -- Pendennis and St. Mawes Castles (3:56); -- Firing a Canon (3:58); -- Kenilworth Castle (4:54); -- Corfe Castle (5:42); -- Carisbrooke Castle (3:54); -- Tearing Down Castles (3:50); -- Strawberry Hill (5:31); -- Hagley Hall Folly (3:13); -- Norham Castle (3:11); -- Martello Tower - Dymchurch (5:36); -- Credits: Castles - Britain's Fortified History: Defense of the Realm (0:30); .