National Portrait Gallery Kogod Courtyard Interior Design Tour - Washington DC, USA

National Portrait Gallery Courtyard Interior Design Tour, Washington DC - USA 2013. This is Short HD Video Tour of National Portrait Gallery Courtyard, which is part of the Smithsonian Museums in Washington D.C. There are 864 panels of glass on the roof and no two are alike. Enjoy magnificent view of glass covered Kogod Courtyard in heart of American Art Museum and National Portrait Gallery...