The Black Hills of South Dakota are home to not one but two of the world’s longest cave systems. Both in the National Park system, Jewel Cave National Monument and Wind Cave National Park are must-see destinations.
 
Located just 20 minutes away from each other, these two caves are different in so many ways. One features the world’s largest concentration of rare boxwork formations and the other glitters and sparkles with calcite crystals.
 
In this episode, we talk about what makes each cave unique, how they were discovered and developed more than a hundred years ago, and some important things to know before you go.
 
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