I do not think that there is any other quality so essential to success of any kind as the quality of perseverance. It overcomes almost everything, even nature.
- John D. Rockefeller
John D. Rockefeller’s lavish estate, known as Kykuit, is located in Pocantico Hills, New York. It spans over 3,400 acres and includes gardens, sculptures, and a six-story mansion. The estate is now a historic site and open to the public for tours.