May 21, 2018 2:00 pm Hill Country Brings ‘Backyard' Barbecue to National Building Museum Hill Country Barbecue will be dishing up barbecue, beer and margaritas on the lawn of the National Building Museum, Wednesdays through Sundays in the summer. Local 2:48 DC Irish pub The Dubliner celebrates 50th anniversary 1:59 The Weekend Scene: Maryland Day, Celtic Festival & more 2:47 How exactly DO you farm an oyster? 2:20 French restaurant opens in historic 14th Street building that housed former bank 1:56 The Weekend Scene: Festival season and free entry to National Parks