United States National Arboretum

NORTHEAST. Over 440 acres of well-maintained gardens, with primary focus on research and education, are on display for all to enjoy. Several exhibits are devoted to specific themes, such as the Herb Garden and the American Friendship Garden. Visitors can also view a collection of bonsai trees, including 53 given by Japan as a bicentennial gift. Colors come alive in spring and summer with the blooming of azaleas and rhododendrons. Guided tours available. Advance booking is recommended for the popular moonlight tour (a vigorous five mile hike). Gift shop on site. METRO: Stadium Armory, then take bus B2 to Bladensburg Road and R Street NE