?Top lodging and dining picks for every budget ?D.C.'s top attractions, from the museums of the Smithsonian Institution to the U.S. Capitol?Spectacular views of the city from the Kennedy Center and the Old Post Office Building Tower?Best itineraries covering Capitol Hill, the White House, and Dupont Circle ?Excursions to Mount Vernon and Alexandria's Old Town in Virginia ?Best attractions for children, from the local zoo to the National Air and Space Museum