USTA National Tennis Center: Unisphere
This is the Unisphere, the "unofficial symbol" of Queens, one of the five Boroughs of New York City. The Unisphere was constructed for the 1964-65 World's Fair in the same site as the Perisphere which was build here for the 1939-40 World's Fair. It is 140 feet high with a diameter of 120 feet.
The USTA Billy Jean King National Tennis Center in Flushing, Queens is the 2nd largest tennis venue in the world and home to the U.S. Open. It is also the largest sports venue in the world to be named after a woman. The grounds are home to Arthur Ashe Stadium which seats 24,000--the largest tennis-only stadium in the world. The area around Flushing and Corona Park was the site of the 1964 World's Fair prior to it being the home of tennis in the United States.