National Geographic
National Geographic: Geostories: Citizen Scientists Across the u.s.
Meet some people who volunteer in citizen science efforts across the country.
Curated OER
Educational Technology Clearinghouse: Clip Art Etc: John C. Calhoun
A portrait of John C. Calhoun, one of the leading United States Southern politicians and philosopher from South Carolina during the first half of the 19th century. Calhoun was an advocated for states' rihgts, limited government, and...
Curated OER
Mexicans Emigrate the United States in El Paso, Texas
Mexicans coming to the United States through an El Paso, Texas immigration station. Photograph by Dorothea Lange, 1938.
Curated OER
Wikipedia: National Historic Landmarks in Missouri: Liberty Memorial
This building of this memorial started with a group of about 40 citizens, a Memorial Association led by Robert A. Long, and a dedication to build a memorial to the fallen soldiers of WW I. With funding secured (a massive fund raising...