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.
New Garden, Potsdam The New Garden (German: "Neuer Garten" ) in Potsdam is a park of 102.5 hectares located southwest of Berlin, Germany, in northern Potsdam and bordering on the lakes Heiliger See and Jungfernsee. Starting in 1787, Frederick William II of Prussia (1744-1797) arranged to have a new garden laid out on this site, and it came to be known by this rather prosaic name. The New Garden is one of the ensembles comprising the UNESCO World Heritage Site "Palaces and Parks of Potsdam and Berlin," a status awarded in 1990.