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(Inyo County, California)Lowest point in North America at 282 feet below sea level
(Skamania County, Washington)848 foot high basalt monolith
(Jefferson County, Pennsylvania)Natural overlook in Clear Creek State Park
Bell Smith Springs
(Pope County, Illinois)Amazing collection of rock formations, stone arches.
(Genesee County, New York)2,000 acre swamp and nature preserve, a National Natural Landmark
Big Mine Run Geyser
(Schuylkill County, Pennsylvania)Man-made geyser for Centralia-area coal mine in Ashland.
(Humboldt County, California)Westernmost point in the state of California
(Los Angeles County, California)Marker noting the location of a historic oak tree.
(Fond du Lac County, Wisconsin)The tallest kame in the Kettle Moraine State Forest
(Mariposa County, California)Display about the El Capitan rock formation.
(Pickens County, South Carolina)Strking Mountain in Pickens County, SC
(Modoc County, California)147 square mile alkaline lake
(La Crosse County, Wisconsin)A 590 foot tall mesa overlooking the CIty of La Crosse and the Mississippi River Valley
(Plymouth County, Massachusetts)
(Greenville County, South Carolina)Predominant Mountain Feature in Greenville County, SC
(Fond du Lac County, Wisconsin)31,653 acre marshland along the Rock River
(Dodge County, Wisconsin)31,653 acre marshland along the Rock River
(Humboldt County, California)Coastal Redwood (Sequoia Sempervirens) 950 - 1000 year old
(Martin County, Indiana)Natural Rock Formation
(San Diego County, California)Irrigation reservoir constructed in 1923
Looking Glass Rock
(Transylvania County, North Carolina)Natural landmark - pluton monolith in the Appalachian Mountains of western North Carolina
(Scott County, Missouri)Isolated hill and rock outcroppings along Route M west of Scott City
Lost River Cave and Valley
(Warren County, Kentucky)Ancient Cave Valley with bluehole river with various uses since prehistoric times.
(Malheur County, Oregon)Extinct volcanic plug 2,661 feet in elevation
(Crawford County, Indiana)The cave offers two walking tours, gemstone mining, a maze crawl, gift shop, walking trails and picnic grounds.
(San Luis Obispo County, California)581' tall volcanic plug located at the entrance to Morro Bay
(Contra Costa County, California)Initial Point for Northern California & Nevada Land Surveys
(Clackamas County, Oregon)11,249' volcanic mountain peak, highest point in Oregon
(Yancey County, North Carolina)Highest point in North Carolina and highest point in US east of the Mississippi River
(Skamania County, Washington)8,363' high active volcano in the Cascade Range
(Mariposa County, California)Display about the formation of Mirror Lake
(Surry County, North Carolina)Mountain used by settlers for navigation.
(Los Angeles County, California)Description of the unique geology of the area.
(Harnett County, North Carolina)Rock formation on piedmont fall line of Cape Fear River
(Lake County, Tennessee)Formed after New Madrid Earthquake
(Winona County, Minnesota)Named for the shape that sugar was sold in back in the 19th Century
(Pickens County, South Carolina)Natural bald mountain in the Carolina foothills
(Wayne County, Missouri)Collapsed cave and underground lake southwest of Mill Spring
(Price County, Wisconsin)Highest natural point in Wisconsin
(Albany County, Wyoming)A small pine tree, growing out of a pre-Cambrian rock on Sherman Hill
Two Sisters Rock
(Walla Walla County, Washington)449' basalt formation resulting from the erosion by the Missoula floods circa 10,000 - 13000 BC
Van Hise Rock
(Sauk County, Wisconsin)A monolith of Baraboo Quartzite, a destination for geologists and students from around the world
(Walla Walla County, Washington)National Natural Landmark designated in 1980
(Mariposa County, California)California State Historical Landmark about Yosemite Valley