The historic Washington Square Park is the center and heart of the neighborhood. Additionally, the Village has several other, smaller parks: Christopher, Father Fagan, Little Red Square, Minetta Triangle, Petrosino Square, and Time Landscape. There are also city playgrounds, including DeSalvio Playground, Minetta, Thompson Street, Bleecker Street, Downing Street, Mercer Street, Cpl. John A. Seravelli, and William Passannante Ballfield. One of the most famous courts, is "The Cage", officially known as the West Fourth Street Courts. Sitting atop the We subway station at Sixth Avenue, the courts are used by basketball and American handball players from across the city. The Cage has become one of the most important tournament sites for the citywide "Streetball" amateur basketball tournament. Since 1975, New York University's art collection has been housed at the Grey Art Gallery bordering Washington Square Park, at 100 Washington Square East. The Grey Art Gallery is notable for its museum-quality exhibitions of contemporary art.