Sleepy Hollow is a village in New York State’s Hudson Valley. It’s known as the setting of Washington Irving’s “The Legend of Sleepy Hollow.” The author is buried in Sleepy Hollow Cemetery. Kykuit, the Rockefeller family’s opulent hilltop estate, has gardens with 20th-century sculptures. Northeast, vast Rockefeller State Park Preserve includes a network of carriage roads traversing woodlands, fields and streams.