Castillos de leyenda

European fortresses have been silent witnesses of the continent's history for centuries. Great events had castles as settings. Castles have also served as a setting for that which gives wings to the imagination: mysteries, legends and romances have sprung up tirelessly in these fortresses. This is a trip through several European countries (United Kingdom, Germany, Portugal and Spain), in search of the keys that have turned their castles into guardians of History.