American Memory provides free and open access through the Internet to written and spoken words, sound recordings, still and moving images, prints, maps, and sheet music that document the American experience. It is a digital record of American history and creativity. These materials, from the collections of the Library of Congress and other institutions, chronicle historical events, people, places, and ideas that continue to shape America, serving the public as a resource for education and lifelong learning.It’s very cool, for instance, to be able to look at the Olympic Stadium on the opening day of the in 1932.
Or old maps, appropriate to your area of interest or salient to current research.
The American Memory Project is beautifully designed. It’s gorgeous, easy to use and it’s here.