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This place is a paradise for geologists and one of our national treasures. It is, of course, the Grand Canyon. ‘That is a big hole’. And it gets me everytime. ‘Wow this is absolutely awesome’. The Landscape is breathtaking and so much more. As a geologist the Grand Canyon is perhaps the best place in the world. It’s this incredible 300-mile long slice through the earth… and you can see layer aft

Aired: 10/20/15
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Step into the stunning cave that’s reshaping our understanding of prehistoric art.
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