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Views from the Tall Tower
August 1, 2012 – Indefinitely
See how the Washington skyline, as seen from the north tower of the Castle, has changed since 1863.
The Smithsonian Institution: America's Treasure Chest
May 8, 2005 – Permanent
See selected objects representing all of the museums that offer a tantalizing sample of the breadth and depth of the Smithsonian's vast collections.
The final resting place of the Institution's benefactor, James Smithson (1765-1829), is a small chapel-like room located at the north entrance to the Castle.