Historic Hudson Valley is a nonprofit organization dedicated to preserving and interpreting the rich history of the Hudson River Valley in New York. It manages several historic sites, including the iconic Kykuit, the estate of the Rockefeller family, and Washington Irving's home, Sunnyside. These sites showcase the region's cultural heritage and architectural significance. The organization offers educational programs, tours, and events that highlight the area's history, art, and landscape. Visitors can explore the beautiful grounds and learn about the lives of notable figures, such as Frederick Law Olmsted and Thomas Cole, who contributed to the region's legacy.