Your experience at Mountain Stream RV Park goes beyond just a stay ... lulled by the soothing sounds of water flowing over rocks. For fishing enthusiasts, the crystal-clear waters of Buck Creek ...

So how did the slabs of Big Four Mountain in Western Washington end up with nearly vertical layers, tilted 82 degrees away from their original positions? Nick on the Rocks is available to stream ...

Warming temperatures are causing a steady rise in copper, zinc and sulfate in the waters of Colorado mountain streams ... point to lower stream volumes and exposure of rock once sealed away ...

(SOUNDBITE OF LEAVES CRUNCHING) BRIAN MANN, BYLINE: I'm walking a trail high up in the mountains where the river is just really a mountain stream ... I climb higher, rock-hopping over mossy ...

SOLOMON: The upper Snake doesn't look like a clear mountain stream. Instead ... a phenomenon known as acid rock drainage. His research points to sharp increases. MANNING: We look specifically ...

Why it's incredible: The landscape looks crumpled and folded from above. Iran's folded rocks are rugged mountain ridges and valleys to the southwest of the Caspian Sea. They are an extension of ...

Wyoming Game and Fish will be treating a creek in the Bighorn Mountains with a piscicide in an effort to restore a native fish population. South Paint Rock Creek from July 29 to August 2 will be ...