Castle Secrets S01E03 - Myth of the Vampire, Lost Inca Gold, King Arthur's Cradle

Exploring how, in a castle in Transylvania, the legend of a bloodthirsty tyrant lives on - even after his death. This programme also looks at a medieval Inca castle, where a cursed bounty lies buried. Plus, inspecting a castle on a rugged peninsula, which is supposedly the birthplace of England's legendary king.