Overview: A look at the brutal persecution of the Knights Templars and Cathars.
Overview: Experts reveal the barbaric torture faced by Muslim and Jewish converts to Catholicism.
Overview: A history of heresy. The founding of the Church of England by Henry VIII and the rule of Catholic monarch Mary I caused years of turmoil as the two faiths ferociously clashed.
Overview: In the 1600s, witch-hunters used heinous tactics to unearth heretics practising witchcraft, including the infamous swimming test.