Find the hole!
May 1, 2007 9:12 AM Subscribe
Does the world's largest natural cavern lie below Mount Konocti in northern California? We might never know. The family who owns the mountain is trying to encourage tourism, but refuses to allow cave exploration. Meanwhile, local businessmen (including a relative of transistor coinventor John Bardeen) are trying to to build a tramway ride to the top of the mountain--with little success to date.
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