National Natural Landmarks Program

The National Natural Landmarks Program recognizes and encourages the conservation of sites that contain outstanding biological and geological resources.  Sites are designated by the Secretary of the Interior for their condition, illustrative character, rarity, diversity, and value to science and education.  The National Park Service administers the program and works cooperatively with landowners, managers and partners to promote conservation and appreciation of our nation's natural heritage.

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2 minutes, 5 seconds

The National Natural Landmarks Program (NNL) turns 60 in 2022 and the landmarks wanted to join in the celebration! Watch this short video of landmarks from around the nation wishing the NNL program happy anniversary.

Pine trees in foreground and snow covered mountain in background

Celebrating 60 Years

The National Natural Landmarks Program turns 60 this year and we invite you to join in the celebration!

intricate cave features

International Year of Caves and Karst

2021 is the year to celebrate caves and karst landscapes! Learn more about NNLs with caves.

Link to 2021 Landmark Highlights article

2021 Landmark Highlights

Explore accomplishments at NNL sites during 2021!

person with camera next to fossil tree

NNL Videos

Kick back, make some popcorn, and enjoy a few short videos about the NNL program and some of the unique resources found at various NNLs.

Last updated: May 17, 2022


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