Near the Black Hills of South Dakota, there's a state park that rivals the grandeur of Italy's Dolomites. Known for its jagged peaks and slender spire rock formations, the park's Cathedral Spires ...

South Dakota is not the only Dakota to feature ... the stark and dramatic expanses of the region's badlands, and the impressive rock formations that lie there. Theodore Roosevelt National Park ...

With a vast expanse of natural splendor, South Dakota is rich in history ... Its calm water and stunning rock formations make it a popular wedding destination. About 60 miles southeast of Rapid ...

South Dakota state historian Doane Robinson writes to eminent Chicago sculptor Lorado Taft proposing that one of the "Needles" -- spiky rock formations -- of the Black Hills be carved in the ...

Deep below the Earth’s surface, rock and mineral formations lay hidden with a secret brilliance. Under a black light, the chemicals fossilized within shine in brilliant hues of pink, blue and green.

Deep below Earth's surface, rock and mineral formations lay hidden ... As it turns out, the chemistry in South Dakota's Wind Cave is likely similar to places like Europa—and easier to reach.