Once the home of William Randolph Hearst, the Hearst Castle is one of the biggest historic home museums in the United States. The Hearst Corporation donated the estate to California in December 1957. With one of the most sophisticated guided tour program in the country, formal guide training is a big part of the Hearst Castle. The tours will take you back in the day of William Randolph Hearst, his family, art collections, gardens, and history of the Castle.