Most of the photos on this site were extracted from reference images (high-resolution tiffs, 20 to 200 megabytes in size) from the Library of Congress research archive. (To query the database click here.) Many were digitized by LOC contractors using a Sinar studio back. They are adjusted by your webmaster for contrast and color in Photoshop before being downsized and turned into the jpegs you see here.

1926. Washington, D.C. Photographing the photographing of giraffes at the National Zoo. View full size. 4x5 glass negative, National Photo Company.
This is about the best giraffe picture I have ever seen. Shorpy delivers once again.
This is definitely one of the most heartwarming pictures I've ever seen.
I believe that this is self-explanatory. It really is.
Today's Top 5