Santa Maria de Ovila is a former Cistercian monastery built in Spain beginning in 1181 on the Tagus River near Trillo, Guadalajara, about miles (km) northeast of Madrid. During prosperous times over the next four centuries, construction projects expanded and improved the small monastery. Its fortunes declined significantly in the 1700s, and in 1835 it was confiscated by the Spanish government and sold to private owners who used its buildings to shelter farm animals. American publisher William Randolph Hearst bought parts of the monastery in 1931 with the intention of using its stones in the construction of a grand and fanciful castle at Wyntoon, California, but after some 10,000 stones were removed and shipped, they were abandoned in San Francisco for decades. These stones are now in vario