The National Mall is an open-area national park in downtown Washington, D.C., the capital of the United States. The National Park Service (NPS) administers the National Mall, which is part of its National Mall and Memorial Parks unit. The term National Mall commonly includes areas that are officially part of West Potomac Park and Constitution Gardens to the west, and often is taken to refer to the entire area between the Lincoln Memorial and the United States Capitol, with the Washington Monument providing a division slightly west of the center. The National Mall receives approximately 24 million visitors each year.
The United States Capitol is the meeting place of the United States Congress, the legislature of the federal government of the United States. Located in Washington, D.C., it sits atop Capitol Hill at the eastern end of the National Mall. Though it has never been the geographic center of the federal district, the Capitol is the origin by which the quadrants of the District are divided and the city was planned.
Officially, both the east and west sides of the Capitol are referred to as fronts. Historically, however, only the east front of the building was intended for the arrival of visitors and dignitaries. Like the federal buildings for the executive and judicial branches, it is built in the distinctive neoclassical style and has a white exterior.