Super Explorers take you back in time to the medieval days when people lived in castles and knights roamed slaying dragons and rescuing beautiful maidens: - Castles were fortifications made of stone built in the Middle Ages to control land and protect nobles from their enemies. - Many castles were surrounded by large water-filled moats. - Most castles have secret passages so the inhabitants could hide or escape if the castle was taken by enemies. - Castles had towers and arrow slits from which the soldiers could see any attackers at long distances. - Knights swore their loyalty to the king or noble of their choice. - Knights needed armor, weapons and a well-trained war horse, which he depend to take care of him in battle.