Khan Academy
Khan Academy: Catlin, the White Cloud, Head Chief of the Iowas
George Catlin's paintings and illustrations show Native-Americans as real people as opposed to noble savages as Europeans often viewed them. View examples of his paintings and read their backstory in this essay.
Science Education Resource Center at Carleton College
Serc: Cloud Study Final Art Project
Students use home-made puffy paint to create clouds and correctly describe them.
ibiblio
Ibiblio: Web Museum: Odilon Redon
French painter and graphic artist, one of the outstanding figures of Symbolism. This site contains information on Redon's art work as well as providing examples of his work.