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.
Heritage Museums and Gardens Heritage Museums and Gardens (100 acres), formerly the Heritage Plantation of Sandwich, is located at 67 Grove Street, Sandwich, Massachusetts. The public garden, with its nationally significant collection of rhododendrons hybridized by Charles Dexter, over 1,000 varieties of daylilies and extensive hosta collection, is complemented by three gallery buildings containing a world-class collection of American automobiles, American folk art and a working 1919 carousel and rare carousel figures. Heritage is open April - October 7 days a week, and on weekend evenings between Thanksgiving and Christmas for its annual Gardens Aglow festival.