Rockingham Castle
Arts, Architecture, History, Building Types - Rockingham Castle. Official site with visitor information, events diary, and a brief history of the castle with pictures of interior and exterior.
http://rockinghamcastle.com/
Westenhanger Castle A Castle to Keep for the Nation
Arts, Architecture, History, Building Types - Westenhanger Castle. The Forge family, its owners, provide a history, plan and photographs of this 14th-century quadrangular castle at Hythe in Kent.
https://www.westenhangercastle.co.uk/
Bamburgh Castle Northumberland
Bamburgh castle sits on a basalt crag dominating this part of the beautiful Northumberland coast.
https://www.bamburghcastle.com/
Tynte's Castle of Youghal Ireland
Arts, Architecture, History, Building Types - Tynte's Castle. An urban medieval tower house in Youghal, County Cork.
http://tyntescastle.com/
Historic Irish Castles
Arts, Architecture, History, Building Types - Historic Irish Castles. Photographs external and internal, QuickTime video, and brief history of selected castles by visitor Jim Moats.
http://www.historic.irishcastles.com/
Guide to Japanese Castles
Arts, Architecture, History, Building Types - Guide to Japanese Castles. Eric Obershaw provides a general history and description of castles in Japan, and photographs of castles he has visited, with histories taken from the official brochures and display text.
https://www.jcastle.info/