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.
Folger Park Folger Park is a public park named after former Secretary of the Treasury Charles J. Folger. It is located at 2nd Street and D Street, Southeast, Washington, D.C., in the Capitol Hill neighborhood.