Visit Mount Vernon on George Washington's birthday for FREE! Throughout the day, kids may create a birthday card for George Washington in the Hands-on-History Center. Take a selfie while posing like George Washington in the Education Center Lobby. General Washington greets his guests in the historic area, and the Sons of Liberty provide birthday music in the Ford Orientation Center throughout the afternoon. Savor a piece of birthday cake in the Vaughan Lobby (while supplies last) and hear the Air Force Strings perform in the Smith Auditorium.