This site is a large collection of primary documents related to the Cold War. There are presidential letters, decrees, memorandums, and meeting notes. There are also documents pertaining to Hiroshima. This site would be great for a high school history or government class to use when studying the Cold War.
Stunning photographs of the harsh conditions of Antartica taken during a 1911-14 expedition. Photographs of many geological formations (ice caverns, ravines, sastugi), climate images (harsh winds, extreme cold), and scientific equipment used in biology, geology, and meteorology. K-12 resource.
A fantastic site that has interactive videos and a written history of the Apollo missions. This site could be used in science with the study of rockets, planets, the moon, etc. It could also be used during History class with the study of the cold war and the space race.