Thousands of audio files, videos, still images and 3D models.
Safe images that are available to be used in the classroom and for educational purposes. Also includes image citations.
Picdrome ~ a gallery of public domain photos, graphis & videos
Pixabay ~ photographs, illustrations, graphics & videos searchable in a variety of categories including emotion!
Library of Congress Prints and Photographs ~ a searchable catalog of prints and photography available from the Library of Congress