Kennedy Center is located in the Potomac River, adjacent to the Watergate building. The building from 3700 tons of white marble, the majestic hall as much as 60 feet. It open in 1972, is devoted to various types of performing arts venue, the opera house and concert hall acoustics in a very good job. The Arts Center Opera House, including a two stage performance hall, an experimental theater, a concert hall, a cinema and performing arts library. To the Kennedy Center in Washington watched the performance is one of the main tourist, walk in the center of the roof terrace, visitors can also watch the Potomac River and Washington scenery.