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It would take dramatic transformations to turn volcanic islands into the first continents.
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This is not the easiest thing to do—especially in a 100 degree heat—but it’s worth it.
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This is Zion Canyon. Its 2000-foot sandstone cliffs are among the tallest of their kind.
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Tyler Lyson is a paleontologist who’s been digging up dinosaur fossils in these badlands.
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This place is a paradise for geologists and one of our national treasures. It is, of cour
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These falls are the record of a series of volcanic eruptions that happened in this area.
