America Season 1 Episode 4 Badlands

Badlands National Park is a land of rugged beauty, 75 million years in the making. Where an inland ocean became a sea of grass, making up one of the most endangered ecosystems on the earth. This park is also home to iconic rocky spires carved from the ground by wind and rain. Amongst the grass and stone are some of Americas most iconic species, who have evolved together to benefit each other.