本片是一部英国纪录片片，上映于2010-08-29，由导演，由Matt Baker/Julia Bradbury主演。
剧情简介：Matt Baker and Julia Bradbury are on the road north on the third leg of their epic adventure to unlock Secret Britain. Julia takes a trip into the stunning underground limestone world beneath Yorkshire, while Matt relives childhood memories as he explores a secret ancient woodland on the Durham coast.
—Written by Anonymous
外文名：Secret Britain
别名：BBC 不为人知的英国
类型：纪录片
地区：英国
演员：Matt Baker / Julia Bradbury
