Where is Castle Howard?

Castle Howard - Barnsley Castle Howard - Boroughbridge Castle Howard - Beverley Castle Howard - Cambridge Castle Howard - Carlisle Castle Howard - Chatsworth House Castle Howard - Foston Castle Howard - Fountains Abbey Castle Howard - Harewood House Castle Howard - Harrogate Castle Howard - Helmsley Castle Howard - Huddersfield Castle Howard - Hull Castle Howard - Knaresborough Castle Howard - Lake District Castle Howard - Liverpool Castle Howard - Leeds Castle Howard - Malton Castle Howard - Malton Station Castle Howard - Newcastle upon Tyne Castle Howard - Nottingham Castle Howard - Pickering Castle Howard - Ripon Castle Howard - Scarborough Castle Howard - Selby Castle Howard - Thornton-le-Dale Castle Howard - Thirsk Castle Howard - Whitby Castle Howard - Windermere Castle Howard - York Minster Castle Howard - York Castle Howard - York Station Castle Howard - Yorkshire Air Museum Castle Howard - Yorkshire