NASM Construction - Time Lapse

Construction of the National Air and Space Museum, from groundbreaking to grand opening. On September 11, 1972, bulldozers began clearing the Museum site. Architect Gyo Obatas design reflects architectural elements of the National Gallery, its neighbor to the north; the finished building is 685 feet long, 225 feet wide, and 85 feet high, with a total area of 630,000 square feet. (00:50)