This iconic state park nestled in South Dakota's Black Hills is brimming with outdoor activities, stunning natural scenery, ...

“Larger caves (are) spread out over a larger area ... “Many GPS units locate the park visitor center north on South Dakota Highway 87. The coordinates for the Visitor Center are N43 33 ...

Dozens of mammoths were trapped in a South Dakota sinkhole over 100,000 years ago. A bulldozer uncovered the first fossil 50 years ago, and experts have been finding bones ever since. The Mammoth ...

Giant Sinkholes in a South Dakota Neighborhood Make Families Fear for Their Safety Stuart and Tonya Junker loved their quiet neighborhood near South Dakota's Black Hills — until the earth began ...

CEDAR FALLS, Iowa (KCRG) - Students and professors at the University of Northern Iowa in Cedar Falls are exploring South Dakota’s Wind ... Sebree says caves here on Earth are usual a hostile ...