National Natural Landmarks


  Home    Travel

Alabama Alaska Arizona Arkansas California Colorado Connecticut
Delaware Dist. of Col. Florida Georgia Hawaii Idaho Illinois
Indiana Iowa Kansas Kentucky Louisiana Maine Maryland
Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska
Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota
Ohio Oklahoma Oregon Pennsylvania Rhode Island South Carolina South Dakota
Tennessee Texas Utah Vermont Virginia Washington West Virginia
Wisconsin Wyoming

27 Pennsylvania National Natural Landmarks


Cook Forest State Park - 7/1/2007
Once called the "Black Forest", the park is a heavily wooded area with some of America's finest virgin white pine and hemlock timber stands
NHL Image
Ferncliff Wildflower and Wildlife (Drumore) - 10/22/2023
An excellent example of a mixed mesophytic forest that occupies the valleys and ravines of the oak-chestnut forest region
NHL Image
McConnells Mill State Park - 7/1/2007
Features a deep scenic gorge with the restored watermill and a covered bridge at the bottom
NHL Image
Nottingham Park Serpentine Barrens (Nottingham) - 10/22/2023
One of the largest outcrops of serpentine in the eastern U.S., which creates a savanna-like habitat with a number of unusual flora
NHL Image
Susquehanna Water GapsPlaque (Marysville) - 10/22/2023
The Susquehanna River cuts through five mountain ridges to form the gaps between Liverpool and Harrisburg
NHL Image