Designations of the 21st Century

Nottingham Park Serpentine Barrens, Pennsylvania

Ice Mountain, West Virginia

Ashfall Fossil Beds, Nebraska

Big Bone Lick, Kentucky

Chazy Fossil Reef, New York & Vermont

Albany Pine Bush, New York

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Recently Designated National Natural Landmarks

December 2024

• Nantucket Barrier Beach and Wildlife Refuge, MA

View the Press Release for the designation.
Learn more in the article Nantucket Barrier Beach and Wildlife Refuge: A New National Natural Landmark

July 2024

• Independence Creek Preserve, TX

View the Press Release for the designation.
Learn more in the article Southern Texas Desert Oasis

December 2023

• Glenwood Caverns and Iron Mountain Hot Springs, CO
• John Boyd Thacher State Park, NY

View the Press Release for these designations.
Learn more in the article New Landmarks Reveal Stories Millions of Years in the Making, Below and Above Ground

January 2021

• Bear Rocks and Allegheny Front Preserve, WV
• Lanphere and Ma-le'l Dunes, CA
• Sulphur Cave and Spring, CO

View the Press Release for these designations
Learn more in the article High Plateaus, Smelly Caverns, and Coastal Dunes, Meet the Nation’s Newest Natural Landmarks

November 2016

• West Bijou Site, CO

June 2016

• Mount Howard-East Peak, OR

July 2014

• Albany Pine Bush, NY

April 2013

• Garden Park Fossil Area, CO (boundary expansion)
• Wade Tract Preserve, GA
• Zumwalt Prairie, OR

October 2012

• Big Spring Creek, CO

May 2012

• Ice Mountain, WV
• Lake Shasta Caverns, CA

June 2011

• Barfoot Park, AZ
• Hanging Lake, CO
• Kahlotus Ridgetop, WA
• Morrison-Golden Fossil Areas, CO (a boundary expansion of the original Morrison Fossil Area)
• Round Top Butte, OR
• The Island, OR

January 2009

• Big Bone Lick, KY
• Cave Without A Name, TX
• Chazy Fossil Reef, NY/VT
• Nottingham Park Serpentine Barrens, PA

October 2006

• Irvine Ranch, CA

May 2006

• Ashfall Fossil Beds, NE