Presenter Paul Martin and his team travel up and down Britain looking for undiscovered treasures and forgotten places that tell us about its rich and astonishing history.

This series is a journey back in time through extraordinary landmark homes and landmark treasures. In series 2, special guests Richard E Grant, double Olympic champion Dame Kelly Holmes and UK Apprentice star Nick Hewer join our passionate team of enthusiasts and experts as they again peel away the modern wallpaper of British life to reveal incredible secrets of its treasured heritage. Featuring remarkable stories in each episode including that of Berkeley Castle, owned and lived in by the same family for almost 900 years. This Norman fortress holds an extraordinary archive collection and in 2004, seven lost arias by Vivaldi were discovered amongst the old documents. Paul Martin travels to Northern Ireland and to Mount Stewart a country house recently bequeathed to the nation, that is still in the process of revealing its heritage treasures. Richard E Grant goes behind the scenes at Pinewood Studios, revealing secrets of the British cinema and the classic films that inspired him as a young actor.Visually stunning, the cameras capture stately Britain and all its hidden treasures in their full glory.