United States of America is called as USA shortly. Washington, D.C.is the capital of America. It's population: 316.1 million. The Star-Spangled Banner is the national anthem of America. There are many nice place for tourist such as the Statue Of Liberty, Grand Canyon, Manhattan, Florida Keys, Yellowstone, the Golden Gate Bridge, Niagara Falls, Kilauea, the Las Vegas Strip, Denali National Park, White House Etc. All these places are very nice and enjoyable for tourist.