Zipser Burg
Slovakia contains many castles, most of which are in ruins. The best known castles include Bojnice Castle (often used as a filming location), Spiš Castle (the largest fortified castle in Europe , on the UNESCO list), Orava Castle, Bratislava Castle, and the ruins of Devín Castle. Čachtice Castle was once the home of the world's most prolific female serial killer, the 'Bloody Lady', Elizabeth Báthory.