Historic Hudson Valley owns, restores, and preserves several sites that possess documented historical integrity, architectural distinction, superb decorative and fine arts collections, and exceptional importance of landscape and setting. Together, these sites provide meaning for visitors in a variety of settings, including traditional house and landscape tours, formal educational programs for schoolchildren, popular on-site special events, and digital media. Among the sites it owns or operates are Washington Irving’s Sunnyside, Philipsburg Manor, Union Church of Pocantico Hills, Van Cortlandt Manor and Kykuit, the John D. Rockefeller estate.