Tour the six-story stone house and gardens with Governor Nelson A. Rockefeller’s collection of 20th-century sculptures; underground art galleries featuring a collection of Picasso tapestries, and the Coach Barn’s classic automobiles and horse-drawn carriages.Tkts go on sale 4/3 for the 2018 season for this hilltop paradise that was home to four generations of the Rockefeller family. The guided tours of the six-story stone house; the terraced gardens with Governor Nelson A. Rockefeller’s collection of 20th-century sculptures; the underground art galleries featuring a collection of Picasso tapestries; and the Coach Barn’s classic automobiles and horse-drawn carriages. (381 N. Broadway, Sleepy Hollow: www.hudsonvalley.org)