James M. Tabor, a former contributing editor to Outside, attempted Mount McKinley, and summitted Mount Sanford. He hosted the PBS series The Great Outdoors and cocreated the History Channel series Journey to the Center of the World. He lives in Waitsfield, Vermont.
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The deepest cave on earth was a prize that had remained unclaimed for centuries, long after every other ultimate discovery had been made: both poles by 1912, Everest in 1958, the Challenger Deep in 1961. In 1969 we even walked on the moon. And yet as late... SEE MORE