sixpenceee:Northeast Georgia is home to Ellison’s cave. At 586 feet deep, it’s the deepest known cave pit in the United States. A rock dropped from the top is said to take about eight seconds to reach the ground.
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A group of cavers descends into Ellison's Cave far under Pigeon Mountain in northwest Georgia. The cave's "Fantastic Pit," seen here, is the deepest cave drop in the continental United States at a staggering 586 vertical feet.