Description: Closed to the public since 2004, the Arts and Industries Building remains closed for the foreseeable future. Here is a look back at what used to be there.
Description: A look at the Quadrangle complex of the Smithsonian that encompasses the Enid Haupt Garden, the National Museum of African Art and the Arthur M. Sackler Gallery.
Description: On this day in 1850, a young man was killed in the Castle, the first of four deaths to occur within its walls. William H. Page was working in the building, which was still under construction at the time, when he fell to his death.