How many estates are there in the United States?

How many estates are there in the United States? Does America have estates? Traditional American estates include: Biltmore, Asheville, North Carolina; estate of George Washington Vanderbilt II. Hearst Castle, Central Coast of California; estate of William Randolph Hearst. Oheka Castle, Cold Spring Harbor, New York; estate of Otto Hermann Kahn. What are the estates in … Continue reading How many estates are there in the United States?