Pic a color and this site will search Creative Commons images on Flickr to match:

Art Through Time: A Global View examines themes connecting works of art created around the world in different eras. The thirteen-part series explores diverse cultural perspectives on shared human experiences.

Smarthistory: See art through historical eras.

Great on-line activities/information:
Kennedy Center Origami videos:origami

Vincent Van Gogh:Vggallery

Ancient art:petroglyphs

Visual literacy with embedded links:Article with links

Test your visual color acuity

Mr. Picassohead interactive:Picasso
Warholizer fun:Warholizer

Art Encyclopedia:artcyclopedia

MOMA for Teens:Redstudio

Mandalas directions:Earth MandalasType in the content of your page here.