Learning Objects and Learning Object Collections:

Varied Subjects

Learning Object Collections

Smithosonian Institute
http://www.si.edu/

Smithosonian Institute Exhibitions
http://www.si.edu/exhibitions/

Library of Congress Exhibitions
http://www.loc.gov/exhibits/

UTOPIA: University of Texas at Austin
http://utopia.utexas.edu/

National Research Channel (collection of over 3,000 educational videos)
http://www.researchchannel.org/