This park's remote mineral deposits are a unique trove like nowhere else in the world. Native Americans have quarried the flint in this region of the Texas Panhandle since the Ice Age for its superior durability.

Today, visitors can walk through grassy mesas sprinkled with manmade mineral shavings and learn about the history of the quarries, which include more than 700 excavation sites. Rangers even offer “flintknapping” demonstrations, showing how native craftsmen once made tools out of this unusually strong and colorful stone. Visitors must make a reservation to tour the site, so be sure to call in advance.

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