3dtotal.com offers lots of great content (e.g., news, galleries, etc.) in addition to FREE tutorials on programs like ZBrush, Maya, NUKE and more.
This collection features approximately 4500 full page plates and other significant illustrations of human anatomy selected from the Jason A. Hannah and Academy of Medicine collections in the history of medicine at the Thomas Fisher Rare Book Library, University of Toronto. Each illustration has been fully indexed using medical subject headings (MeSH), and techniques of illustration, artists, and engravers have been identified whenever possible. There are ninety-five individual titles represented, ranging in date from 1522 to 1867. The images in the online collection are derived from works in the public domain. The images may be used for the purposes of research, private study, or general interest.
"A site dedicated to bringing the “history of modern art to the public in a fresh and dynamic way.”
From the Getty Research Institute, the site is Intended to provide users with helpful resources for determining copyright status and obtaining permission to publish copyrighted materials.
Find “in-depth talks, inspirational lectures and more from experts” presenting at the annual GDC, the “largest professional game industry event.”
Free access to an extensive collection of digitized art history texts from a range of institutions. This multilingual and multicultural union catalog affords art historians and other researchers the ability to search and download complete digital copies of publications devoted to art, architecture, material culture, and related fields.
Google's "collaboration with some of the world’s most acclaimed art museums to enable people to discover and view more than a thousand artworks online in extraordinary detail.
NASA content - images, audio, video, and computer files used in the rendition of 3-dimensional models, such as texture maps and polygon data in any format - generally are not copyrighted.
Provides access to over 700,000 images digitized from primary sources and printed rarities in the collections of The New York Public Library, including illuminated manuscripts, historical maps, vintage posters, rare prints and photographs, illustrated books, printed ephemera, and more.
Pikwizard offers thousands of high quality images that you can download and re-use for free. They also provide clear guidance on how you can (legally) use each picture that you find on the site.
A repository for public domain pictures that includes free vectors, free drawings and free photos. You can freely use any image from this website in digital and printed format, for personal and commercial use, without attribution requirement to the original author.
In 2002, the film collection was acquired by the Library of Congress, Motion Picture, Broadcasting and Recorded Sound Division. Prelinger Archives remains in existence, holding approximately 11,000 digitized and videotape titles (all originally derived from film) and a large collection of home movies, amateur and industrial films acquired since 2002.
Internet Archive is a non-profit digital library offering free universal access to books, movies & music, as well as 376 billion archived web pages. Featured content includes access to vintage feature-length films, a Moving Image Archive, stock footage clips and more.
A chronological, geographical, and thematic exploration of the history of art from around the world, as illustrated by the Metropolitan Museum's collection made possible by the Heilbrunn Foundation, New Tamarind Foundation, and Zodiac Fund.