A dramatic aerial view reveals a rugged mountain valley dominated by towering golden rock formations rising from the landscape. Sunlight highlights the rough textures of the cliffs and the green ...

The rock ridges a mile south of Pilot Butte cooled from molten lava thousands of years ago, but it took only a few weeks to blast and crush the formations. The 32-acre flattened dirt site east of 15th ...

In the forests of the southeastern United States, dense tree cover dominates most landscapes. That's why the Appalachian Trail is sometimes nicknamed "The Green Tunnel." But avid hikers know that ...