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The Library of Congress. The Library of Congress is the nation

Explore the updated online encyclopedia from Encyclopaedia Britannica with hundreds of thousands of articles, biographies, videos, images, and web sites.

Explore HISTORY shows, watch videos and full episodes, play games and access articles on historical topics at History.com.

First hand accounts, illustrated with vintage photos, original radio broadcasts.

Watch full episodes of your favorite PBS shows, explore music and the arts, find in-depth news analysis, and more. Home to Antiques Roadshow, Frontline, NOVA, PBS Newshour, Masterpiece and many others.

Infoplease.com, a free, authoritative, and respected reference for Internet users, provides a comprehensive encyclopedia, almanac, atlas, dictionary, and thesaurus. Infoplease.com contains facts on all subjects including sports, entertainment, techno...

U.S. National Park Service - Experience Your America

The Florida Center for Instructional Technology (FCIT) provides leadership, instructional materials, and support services to educational institutions with regard to the integration of technology into K-20 education.

Fact Monster is a free reference site for students, teachers, and parents. Get homework help and find facts on thousands of subjects, including sports, entertainment, geography, history, biography, education, and health.