Metropolitan Museum of Art: Open access to over 406, 000 high-resolution images, many of which are also in ARTstor. Access upon request to images under copyright or other restrictions.
National Palace Museum, Taipei: Open access to 100,000 images in the NPM collection. Users are welcome to download all images on this site for free and unlimited use without application procedures.
Smithsonian Image Gallery: Open access to thousands of book illustrations, photos, drawings, and other images from across the Libraries. For publication, user must comply with all terms and restrictions.
Google Arts and Culture: View over 32,000 high-resolution images from international museums. Zoom in on details and virtually tour galleries.
Google Images: Filter for free-to-use images and large images. Pay attention to access restrictions.