Q. Image Quest

Image Quest gives you access to nearly 3 million rights-cleared images from over 50 of the best collections in the world, including Getty Images and National Geographic. . Teachers can use the images in their lesson plans and classroom activities while students will turn to the site as they work on homework assignments and school or course projects.Each photo or illustration comes with complete metadata, including the source, the copyright holder, caption, and keywords. Because Britannica has done the work of finding the best photos—most of which are not freely available on the Web—you can trust the source and be certain that you're using an accurate photo.