Alcázar of Segovia. Segovia Castle, located in an ancient town of Segovia in central Spain, started off as an Arab fort in the century. In the Middle Ages Alcazar was a key fortress in the defense of the country.
Queen Isabella I of Castile. Before she was the queen, her half-brother tried to contract marriage to her with Alfonso V of Portugal. Isabella decided to make a secret proposal with Ferdinand II of Aragon to secure her place as the heir to the throne.