An unexpected flash of emerald sliced through the wide, sun-drenched skies of Big Bend National Park, catching both visitors ...

The cliffs of Santa Elena Canyon rise above the river in Big Bend National Park along the Rio Grande River on the United States border with Mexico, Tuesday, April 25, 2017. Rodger Mallison ...

What follows is the Grand Canyon in Arizona, Yellowstone in Montana and the Hawai‘i Volcanoes National Park on the Big Island in Hawaii, respectively. It is no surprise that Big Bend National ...

National parks like Gates of the Arctic, Big Bend, and Yosemite have ... and sky-high cliffs of glacially-polished granite. Yosemite National Park is surrounded by striking, mountainous landscapes ...

A new plant species from the sunflower family, named the "woolly devil," has been discovered in Big Bend National Park, USA.

Big Bend National Park is one of my absolute favorite places ... There are some steps, ramps and switchbacks at the beginning (photo below) – make sure kids stay close as there are no railings ...

Sul Ross students and professors collect a fossil from a giant dinosaur at a Texas national park. Photo from Sul Ross ... Ross State University went to Big Bend National Park for research and ...

One of the top things that travelers love to do when they visit the United States is to embark on a great American road trip, filled with plenty of stunning national parks. From Yellowstone's ...