This is a great, interactive site with art games, hands-on activities and excellent art lessons.
The National Gallery of Art provides a behind-the-scenes look at the planning and construction of Art Nouveau, 1890-1914, with the most comprehensive exhibition ever on the subject.
The mission of ArtsEdge is to help artists, teachers, and students gain access to and/or share information, resources and ideas that support the arts as a core subject area in K-12 curriculum.
This site has lots of detailed art lessons and activities, many with step-by-step illustrations.
Do you have a question about American art? Specialists at the Smithsonian American Art Museum with answer it for you.
Lots of excellent links
The home page for the National Endowment for the Arts