Image Libraries

Stock Photos

• Depositphotos
• istockphoto
• Pexels – includes royalty-free images
• Pixabay – includes royalty-free images
• Unsplash – includes royalty-free images

Royalty-Free

• Wikimedia Commons
• Library of Congress
• NASA Images
• Smithsonian Open Access
• NYPL Digital Collection
• NIH Photo Galleries
• British Library
• Castaneda Map Collection
• USGS: The National Map