In the turbulent formative centuries of early Europe, power-hungry family dynasties fought for domination of the continent. They clashed with blood and iron on the battlefields - but the real wars were complex, personal power struggles played out in private. Behind stony castle walls was a world of strategic alliance, adultery, plot, treason and murder.

Mikey Kay and Garth Baldwin investigate the Knights Templar's underground movements to discover if they escaped being destroyed in 1307, and most importantly if they took the Holy Grail with them. Searching through the middle east, they attempt to uncover modern evidence of this secretive group which could unravel the truth which has been hidden for hundreds of years.

Alan Titchmarsh and a team of familiar faces visit historic properties owned by the National Trust revealing the hidden history, human stories and natural history behind each one.

Historian Dan Jones explores the millennium of history behind six of Great Britain's most famous castles: Warwick, Dover, Caernarfon, the Tower of London, Carrickfergus, and Stirling.

Historian Dan Jones tells the story of the War of the Roses.