Washington D.C.

Washington D.C., officially the District of Columbia, is the capital city of the United States. It serves as the seat of the federal government and hosts the three branches of government: the Executive (the President), the Legislative (Congress), and the Judicial (Supreme Court). Founded in 1790, it is a unique federal district that is not part of any state. Washington D.C. is known for its significant historical landmarks, including the White House, the U.S. Capitol, and the Lincoln Memorial, as well as numerous museums and cultural institutions that are part of the Smithsonian Institution. The city is also a center for international diplomacy, housing numerous embassies and international organizations. Washington D.C. has a diverse population and plays a crucial role in American politics and governance.