|National Portrait Gallery (8th and F Streets N.W.; phone: +1 202 357 2700)|
Once the Patent Office and a Civil War hospital, this 19th-century gem now houses a wealth of American portraitsfrom dour colonial officials to glitzy modern stars. The Hall of Presidents includes works by noted American artists, including Gilbert Stuart and John Trumbull. You can also see Norman Rockwells painting of Richard Nixon.