The United States is a large, economically and technologically advanced country located in North America. English is the official language, and the U.S. dollar is the official currency. Some popular destinations include Las Vegas known for its casinos, New Orleans for its music and cuisine, and national parks like Yellowstone and Grand Canyon which showcase the country's natural beauty. Famous Americans include Michael Jackson, the "King of Pop", George Washington, the first U.S. president, and Marilyn Monroe, a legendary actress and sex symbol.