Art Images for College Teaching. Emphasis on ancient, medieval, and Renaissance European art and architecture.
Art Institute of Chicago. Unrestricted access to tens of thousands of reproductions of artworks in the collection.
Balboa Park Commons. Digitized photos and artifacts from Mingei Museum, Museum of Photographic Arts, SD Air & Space Museum, SD Museum of Man, SD Natural History Museum, SD Museum of Art, and Timken Museum of Art.
Catalog of Art Museum Images Online (CAMIO). 95,000 rights cleared art museum images for educational use. Covers museums and cultures from around the world.
Cities and Buildings Database. The Cities and Buildings Database is a collection of digitized images of buildings and cities drawn from across time and throughout the world, available to students, researchers and educators on the web.
Google Art Project. More than 45,000 high resolution images from over 151 museums in 40 different countries.
Getty's Research Image Viewer. A new way to view visual content from the Getty including Ed Ruscha's images.
Jstor Public Collections. 1.3 million images in this database are openly available.
Louvre Museum. 480,000 objects viewable online.
MAID: Museum of Modern Art Archives. 50,000+ images digitized from the MoMA Archives, including letters, drawings, photographs, exhibition installation views, scrapbook pages, newsclippings, etc.
The Metropolitan Museum of Art. More than 440,000 works from the Met, unrestricted access to 375,000.
National Portrait Gallery, London. 87,000 free downloadable high resolution images for academic use.
Smithsonian Open Access. 2.8 two-dimensional and three-dimensional images available for download, share and re-use.
Tin Eye. Reverse search engine that searches over 1.5 billion images. When you upload an image TinEye will provide information on other versions of that image that are available and the source of the image.
Wikimedia Commons. Images included here are in the public domain and freely licensed for educational use.
World Images. 100,000 images. Grew out of California State University Image project. All images are copyright cleared for Educational use.