What is the name of the 4.2 acre public garden in the Smithsonian complex, adjacent to the Smithsonian Castle on the National Mall in Washington?
National Mall The National Mall is a national park in downtown Washington, D.C., the capital of the United States. The National Park Service (NPS) of the U.S. Department of the Interior administers the National Mall, which is part of its National Mall and Memorial Parks unit.
Washington Monument (Baltimore) The Washington Monument is the centerpiece of intersecting Mount Vernon Place and Washington Place, an urban square in the Mount Vernon-Belvedere neighborhood north of downtown Baltimore, Maryland. It was the first major monument begun to honor George Washington (1732-1799).