Always remember to give credit when using images that are not your own. Also remember that giving credit is not the same as having permission to use the images. Pay attention to the terms of use for each site. it can vary for each website and even for individual images within a website.
Pixabay contains over 1 million copyright-free photos and illustrations. This is a great site to find images for your projects.
Wikimedia Commons contains freely usable media files that can be used by anyone. make sure to check the licensing information as it may be different for each image on this site.
Search for photos, newspaper articles, maps, etc. This is a great site for primary source images.
The Digital Gallery provides free access to over 800,000 images digitized from the NYPL's collections, including illuminated manuscripts, historical maps, vintage posters, rare prints, photographs, and more. Some of the images in the Digital Gallery may be subject to copyright.
An amazing collection of photos on history and science. Students and teachers may use these photos for educational purposes. You must credit the Smithsonian and the photographer. See the copyright section on the website for more information on how these photos may be used.
This is not a search engine, but a clearinghouse for several sites that offer images you can use, modify or build on. Several of these sites may not open on school computers because of our filters, so please check that images you use will show up in your presentation.
The University of California's collection of over 1, 275,000 images, texts, and recordings. They focus on California history, so keep that in mind while searching.
The British Library has uploaded over one million images to Flickr. This is a great site for decorative images, 6th and 7th grade history, or a different perspective on US history! When you type your search term, be sure to limit your search to The British Library's photostream, or you'll get a lot of personal Flickr photos that aren't relevant.