See stereo-view (3-D) photographs from the Civil War to learn how Americans experienced the conflict.

Featured areas include the Children's Room, The Commons, and Schermer Hall.

This panel display reveals the history of the west wing of the Castle -- from its first use as the Institution's library to its use as The Commons dining room (through June 20, 2004)..

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.

Smithsonian Information Center includes information services for the public, a gift shop, a cafe, and exhibitions.