Change is constant in the North Dakota badlands. With each rain storm or Spring thaw, the soft clay hills erode. Seasons change bringing extremes of both heat and cold. Wildlife and human impacts affect conditions in this landscape, too. Learn more about all the factors that are continually changing the landscape of Theodore Roosevelt National Park.
Did You Know?
Cannonball concretions can be found along the North Unit Scenic Drive. They were formed by the selective precipitation of mineral-rich groundwater and are nearly spherical because the sandstone in which sand grains were cemented together was of uniform permeability. More...