The Best U.S. National Parks to Visit in the Autumn

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4Big Bend National Park, Texas

A birder’s paradise thanks to important migratory routes through its heart (the park hosts more bird species than any other), Big Bend is larger than Rhode Island, with as much to catch the eye.

Astronomers come to stargaze. The park, which is far from any city, has one of the darkest skies in the U.S., with desert conditions inhibiting water vapors and improving viewing.