Big Bend National Park, Day 1

On our way driving to Terlingua, TX, we entered Big Bend National Park at Persimmon Gap in the Santiago Mountains. The park’s oldest rocks can be found here. This area is geologically fascinating and unique. Large mountains eroded and became gentle hills; then, the area subsided and was covered with a sea. And in “recent” history, the uplift of the Santiago Mountains happened, uncovering the oldest rocks in the park. Due to Big Bend’s ancient life, unique fossils have been discovered. Some of Big Bend’s fossil highlights are exhibited at the Fossil Discovery Exhibit.