The Badlands' striking formations owe part of their story to Yellowstone's volcanic past, with unique layers of ash hinting ...

Hidden in western Kansas, an easy hike leads to striking chalk formations that rise from the flat prairie, creating an ...

Unlike some of the more well-known national parks in the West, this one feels like a well-kept secret. There are no endless ...

America’s geological wonders don’t need erupting volcanoes to create breathtaking spectacles that look straight out of a ...