Check out our new website for more incredible history documentaries: HD and ad-free. http://bit.ly/2O6zUsK Before it became the setting for the hit series 'Downton Abbey', Lord and Lady Carnarvon opened the doors of Highclere Castle, their stunning lakeside country house, for a documentary all about the running of their rambling estate in Hampshire. Documentary first broadcast in 1996. Content licensed from ITV Global.