Castle21 images Neptune pool8 images Hearst castle was built between 1919-1947 based on a design by architect Julia Morgan (who studied at the Paris Beaux-Arts) for media tycoon William Randolph… Casa Grande, the main wing of the castle. Casa Grande, the main wing of the castle. Casa Grande, the main wing of the castle. Casa Grande tower. Castle wing. Castle wing. Casa del Sol, a guest house. Casa del Sol, a guest house. Casa del Monte, a guest house. Casa del Monte, a guest house. Tennis courts on top of the Roman pool. Death ValleyJoshua Tree National Park Labels