City of Rocks provides epic rock climbing opportunities, and Craters of the Moon National ... spires and domes are over 2.5 billion years old. More than 22 miles of trails meander through the park ...

For years, Idaho's amazing Craters of the Moon National Monument & Preserve has been a top candidate for full national park status. Unfortunately, recent legislative efforts have so far failed to ...

This story appears in the December 2018 issue of National Geographic magazine. Summer scenery is luminous in Yellowstone National Park ... Lake to explore unique spires formed by dormant ...