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  1. nps.gov
    https://www.nps.gov › subjects › nnlandmarks › index.htm

    National Natural Landmarks (U.S. National Park Service)

    Jul 22, 2025 · The National Natural Landmarks Program recognizes and encourages the voluntary conservation of sites that contain outstanding biological and geological resources.

  2. nps.gov
    https://www.nps.gov › articles › visit-national-natural-landmarks.htm

    Visit Astonishing National Natural Landmarks - U.S. National Park …

    Apr 17, 2025 · National Natural Landmarks (NNLs) are natural areas that contain significant examples of the nation's biological and geological features. The 600+ NNLs are designated by …

  3. nps.gov
    https://www.nps.gov › subjects › nnlandmarks › chaparral.htm

    Chaparral - National Natural Landmarks (U.S. National Park Service)

    Apr 10, 2025 · National Natural Landmarks Chaparral Chaparral artwork produced by D. Caldwell for the National Park Service The chaparral ecosystem is a unique and diverse biome found …

  4. nps.gov
    https://www.nps.gov › places › drumheller-channels-national-natural-lan…

    Drumheller Channels National Natural Landmark

    Apr 12, 2022 · National Natural Landmarks recognize sites that contain outstanding biological and/or geological resources, regardless of landownership. They are selected for their …

  5. nps.gov
    https://www.nps.gov › orgs › index.htm

    National Natural Landmarks Program (U.S. National Park Service)

    Sep 11, 2025 · The National Natural Landmarks Program (NNL) recognizes and encourages the conservation of sites that contain outstanding biological and geological resources, regardless …

  6. nps.gov
    https://www.nps.gov › subjects › nnlandmarks

    Celebrating 60 years - National Natural Landmarks (U.S. National …

    National Natural Landmarks Celebrating 60 years ... Last updated: April 15, 2025

  7. nps.gov
    https://www.nps.gov › subjects › nnlandmarks › faq.htm

    National Natural Landmarks - U.S. National Park Service

    What is a National Natural Landmark (NNL)? It is a natural area that has been designated by the Secretary of the Interior in recognition that the site contains significant examples of the …

  8. nps.gov
    https://www.nps.gov › articles

    Landmark Highlights 2024 - U.S. National Park Service

    The nine original NNLs celebrated their 60th anniversary, two new sites were designated, and countless conservation successes were achieved at landmark sites across the country …

  9. nps.gov
    https://home.nps.gov › subjects › nnlandmarks › forests.htm

    Forests - National Natural Landmarks (U.S. National Park Service)

    Dec 12, 2022 · ForestsLast updated: December 12, 2022

  10. nps.gov
    https://home.nps.gov › subjects › nnlandmarks › the-first-nnls.htm

    National Natural Landmarks (U.S. National Park Service) - NPS

    In 1964, just two years after the inception of the National Natural Landmarks (NNL) program, then Secretary of the Interior, Stewart Lee Udall, signed two designation memos that officially …