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King of Gore

When you put flesh on the bones of Lythronax, it looks a lot like T. rex.
Driving Dinosaur Diversity

So what is it with all this diversity?
Pangea

The rocks here in Zion bear witness to a traumatic phase in our continent’s history.
Making Granite From Volcanic Rock

It would take dramatic transformations to turn volcanic islands into the first continents.
Dinosaur Fossils

In an empty corner of Utah lies a very special landscape.
From Lava to Land

So how did North America and its fellow continents get started?
The Grand Canyon's Oldest Rocks

“This rock is more than 4000 feet below the rim of the canyon."
Fossil-Filled Limestone

340 million years ago, a warm shallow sea covered all of the American Southwest.
Rock Time Capsules

This place is a paradise for geologists and one of our national treasures. It is, of cour
The Sandstone Top of the Canyon

This is not the easiest thing to do—especially in a 100 degree heat—but it’s worth it.

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