Washington D.C. (District of Columbia) is a capital city of the United States of America. This city was founded expressly as a seat of the U.S. government and as a center for international representation. The expansive designs for the city were to symbolize the ideals of the freedom. The city also holds the nation's most sacred monuments. Located here museums hold the most meaningful artifacts of American history, see National Air and Space Museum.
On September 11, 2001 hijacked American Airlines Flight 77, a Boeing 757 hit the facade of the Pentagon.
