Below is a brief list of Art History teaching resources, a video library and an interactive museum site. Please add to this or comment!
Various contributors from teachers to curators to art experts share their knowledge, resources and experience at this site.
Explore the interactive site of the Metropolitan Museum of Art. Watch select episodes or explore art media on your own.
In Khan Academy fashion, Smarthistory provides free open art history videos and articles for your use in teaching.
Some reviews on the resources above: