How an explorer stuck in a Kentucky cave for 17 days captured the world's attention
When Floyd Collins ventured into Sand Cave in Kentucky on Jan. 30, 1925, he was searching for the next big attraction. But he ...
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America's Largest Manmade Crystal Cave Is A Sparkling Sanctuary Underground In Tennessee
Visitors seeking unique and quirky attractions should explore America's largest man-made crystal cave ... also features tranquil background music, pools of water, and soft illumination in ...