Castle in the Country - Series 3 - Episode 3

John Craven and Nicki Chapman continue to delve into the treasures at Burghley House in Lincolnshire. John goes on a musical journey to Lincoln Cathedral, Antiques Roadshow's Rupert Maas takes Nicki to discover a little piece of heaven inside the walls of Burghley, chef James Martin gets to know his onions as he visits a local organic farm, and gardening guru Julie Edmonstone discovers the wonderful sculptures in Burghley's garden.