Near Paley Park is a lesser known pocket park at 520 Madison Avenue. Like Paley Park, this small park also has a waterfall and public seating, and something surprising: five segments of the Berlin Wall, featuring graffiti by West Berlin artists Thierry Noir and Kiddy Citny. The back side of the wall, the East Berlin side is marked with bullet holes. Real estate company Tishman Speyer owns and maintains the park, and bought this portion of the wall from East Germany. There are only three other pieces of the Berlin Wall in New York; they are at the Intrepid Museum, World Financial Center, and the United Nations headquarters.