University of California
Ucmp: The Museum of Paleontology
This site contains on-line exhibits including animals, plants, time periods, phylogeny, geology, and evolution. Also, a search is provided at the bottom of the site for more specific information.
Smithsonian Institution
National Postal Museum: Moving West
The National Postal Museum provides an intimate look at how America's postal service expanded to meet the needs of westward-moving settlers during the nineteenth century. Content includes a selection of letters written at the time, a...
State Library of North Carolina
N Cpedia: Transportation Improvements in the 1920s
When World War I ended in 1918 and the troops came home, folks felt optimistic about the future and eager to get on with their lives. This optimism led to an extraordinary decade that brought major changes in the way citizens traveled by...