The Chihuahuan Desert encompasses all the parks in the Southwest, which should give you an idea of what they are like. Ironic as it may sound, water was the prime agent that formed the valleys, caverns, and rugged mountains millions of years ago when a shallow inland sea covered the entire American midwest. The water may be long gone, but what was left behind is beautiful and unique natural structures that amaze all who visit. So which one is your favorite? Big Bend? Carlsbad Caverns? Learn about them all and choose yours now.
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