In the Spanish town of Consuegra, echoes linger of the adventures of Don Quixote, the hero of Miguel de Cervantes" epic novel. This tourist destination in Castilla-La Mancha is famous for its rocky ridge, known as Cerro Calderico, crowned with 12 white windmills. The windmills are thought to have inspired Cervantes to write the famous scene in which Don Quixote mistakes them for an army of giants. With their stone walls and wooden blades, some date back to the 16th century, when they were built to grind grain.