The digitized images from the Library of Congress includes photographs, fine and popular prints and drawings, posters and architectural and engineering drawings. While international in scope, the collections are particularly rich in materials produced in, or documenting the history of, the United States and the lives, interests and achievements of the American people.

Digitized archival resources from the Denver Public Library, with photographs, building images, and other items.

Over 100,000 high resolution images including manuscripts, paintings, etchings, early photography and advertisements are freely available through Wellcome Images. All CC-BY

Search millions of photographs from the LIFE photo archive, from the 1750s to today.

More than 10,000 images from the Libraries’ collections.

More than 100,000 digital images are searchable and viewable by the public.

All photos published on Unsplash are licensed under Creative Commons Zero which means you can copy, modify, distribute and use the photos for free, including commercial purposes, without asking permission from or providing attribution to the photographer or Unsplash.