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History by Photo

Explore world history, science, culture, and health through more than 200 curated public-domain photographs drawn from the Library of Congress, NASA, CDC, National Park Service, the Metropolitan Museum of Art, and more.

History by Photo is an educational image gallery organized by subject. Each photograph is captioned with what it shows and why it matters, and every image is drawn from a public-domain or freely licensed archive: the Library of Congress, the National Aeronautics and Space Administration, the National Park Service, the Centers for Disease Control and Prevention Public Health Image Library, the Metropolitan Museum of Art Open Access program, and Pexels. Wherever a topic has a companion long-form article on CountryReports, a link is provided so that you can read more.

Sources and Licensing

Every image on this page is drawn from a public-domain or freely licensed archive. The six primary sources are listed below. At production launch, the images linked here will be mirrored to a CountryReports-hosted CDN so that the gallery remains available even if an upstream URL changes.

  • Library of Congress

    Historical photographs, posters, and maps; Carol M. Highsmith Archive; HABS and HAER surveys. Public domain, no known restrictions.

  • NASA Image and Video Library

    Spacecraft, Apollo, space shuttle, International Space Station, Earth-observation imagery. NASA material is generally not subject to copyright.

  • National Park Service

    Landscape and wildlife imagery from the United States national parks. United States government works, public domain.

  • CDC Public Health Image Library

    Microbiology, vaccination, and epidemiology imagery from the Centers for Disease Control and Prevention. Public domain.

  • Metropolitan Museum of Art — Open Access

    Sculptures, paintings, manuscripts, and ritual objects from the Met collection, released under Creative Commons Zero (CC0).

  • Pexels

    Modern photography licensed for free commercial use, no attribution required. Used where public-domain archival coverage is thin.

At production launch, the images here will be migrated to a CountryReports-hosted content delivery network to ensure stable availability and to take pressure off the upstream archives. Citation metadata for each image is carried on the data-source attribute of the corresponding <img> element.