Go to: Washington, D.C. Must see • National Mall monuments • U.S. Capitol building • Supreme Court building • Tomb of the Unknowns, Arlington, Virginia • U.S. Holocaust Memorial Museum • National Museum of African Art Best local eats • Palena, Cleveland Park • Dukem Restaurant, U Street North West Great escapes • Her: Mandarin Oriental Washington spa • Him: Grooming Lounge • Family: National Zoo