U.S. Government Photos and Images – https://search.usa.gov/search/images?affiliate=usagov&query=
This page is a clearinghouse for photo libraries across the federal government. In many cases, photos from these libraries can be used freely, but check the photo pages carefully. This site is divided into the following topics:
- Defense and International Relations
- Environment, Energy, and Agriculture
- General Government
- Health and Nutrition
- History, Arts, and Culture
- Money and Taxes
- Public Safety and Law
- Science and Technology
Some of the more notable libraries linked from here include:
- State Department Photo Gallery (https://www.flickr.com/photos/statephotos) – Good for noting regional clothing differences and photos of foreign officials.
- US Fish & Wildlife Service Digital Library (http://digitalmedia.fws.gov/ ) – Mixes digital publications in with pictures of parks, birds and more.
- FEMA Photo Library (http://www.fema.gov/media-library/photos ) – Use the category field to get photos related to specific kinds of disasters.
- NIST Image Gallery (https://www.nist.gov/news-events/image-gallery) – Engineering and technology photos, browseable by topic.