Saltpeter Cave

Historical marker location:

1135 Hwy W, Stanton, Missouri

( Marker can be reached from Highway West (State Highway W), on the right.)

Marker installed: 2015

Missouri's Civil War.

The state of Missouri is home to several unique natural landmarks, including the Elephant Rocks State Park, which features giant granite boulders that resemble a herd of elephants, and the Ha Ha Tonka State Park, which has natural bridges, caves, and a castle ruin.