Inside the National Air and Space Museum's 164-foot observation tower overlooking Washington, DC's largest airport

Inside the National Air and Space Museum's 164-foot observation tower overlooking Washington, DC's largest airport

The Donald D. Engen Observation Tower at the Steven F. Udvar-Hazy Center.christianthiel.net/ShutterstockThe National Air and Space Museum has a second location in Virginia near Dulles Airport.An observation tower provides views of Dulles Airport and showcases air traffic control technology.The museum also streams live Air Traffic Control audio into the tower.The National Air and Space Museum's Steven F. Udvar-Hazy Center features over 200 histor…