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Selling contemporary art, fine art and offering artwork by thousands of contemporary artists and galleries. Offering daily international art news and a large art history site with over 22,000 art history artists, artwork, biographies and images.

What you need to know about Art History, including artist biographies, timelines, movements and schools, museums, images and picture galleries, events, exhibition and catalogue reviews, resources for educators, an art history glossary, bibliographies, current job openings, calls for papers and more.

O.P.Art - Mission Statement for The Organization of Puerto Rican Artists, Inc. (O.P.Art) is a not-for-profit organization that was organized in 1993 by a group of Puerto Rican artists based in New York City.

Resource for Cool optical illusion effect, Ambiguous images, Impossible objects, Sidewalk chalk drawings, Julian Beever, Cognitive illusions, Size illusion, Jastrow illusion, Ebbinghaus illusion, Chubb illusion, Hering illusion, Penrose triangle, Penrose stairs, Blivet, perceptual abstraction, Trompe l’oeil, Trompe loy, perception, anamorphosis, Trompe loeil.

Princeton Online

Great reference material in art, art history, art criticism, aesthetics, and art education. Definitions of thousands of terms, illustrations, quotations, and links to other resources.