Boxwork with popcorn calcite along the Fairgrounds Tour in Wind Cave National Park
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A strand of boxwork along the Fairgrounds Tour in Wind Cave National Park
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Chocolate colored crystal formations along the Fairgrounds Tour in Wind Cave National Park
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Bison family unit stands together in the herd in Wind Cave National Park
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A bee collecting pollen on a Black Samson flower in Wind Cave National Park
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Crevasse filled with boxwork along the Natural Entrance Tour in Wind Cave National Park
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National Park Service road 5 winds through the prairie in Wind Cave National Park
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Close up of boxwork formation along the Fairgrounds Tour in Wind Cave National Park
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Bee collecting pollen in a Prickly Pear cactus flower in Wind Cave National Park
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Boxwork formation on the cave ceiling along the Fairgrounds Tour in Wind Cave National Park
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