<human>:  Where is the Van der Bilt mansion?
<bot>: The Vanderbilt Mansion is located in Hyde Park, New York. It is the home of Cornelius Vanderbilt III, who was one of the richest men in America in the late 1800s. He made his fortune by building the first transatlantic steamship line and then expanded into railroads, shipping, and banking. He was also a very famous philanthropist, donating money to build the Metropolitan Museum of Art, the American Museum of Natural History, and the New York Public Library.