Chisos Mountains
The Chisos Mountains are an isolated island of lush plant life and abundant animals in the middle of a desert sea.

Rare Birds
Big Bend has more types of birds, bats, and cacti than any other national park in the United States. A birdwatcher's paradise, it is home to about 450 avian species.

Santa Elena Canyon of the Rio Grande River
Long stretch of river confined between sheer limestone walls that rise as much as 1,500 feet above the water.