Surrounded by mountains this nearly perfectly round body of water represents perhaps the prototypical mountain lake.

The big tree at the first observation point has big roots, unique seats and shade.

It's world-class operation draws skiers, boarders and romantics from all over the world, which gives the town…

The "postpile" itself is a unique volcanic formation formed, apparently, when lava from an unknown source pooled behind…

Lake Mary is part of the Mammoth Lakes Basin situated above 8000 ft.

At Hot Creek; however, the magma beneath the 760,000 year old Long Valley Caldera continues to shake, rattle, and boil…

The metal replica of the mountains before you identify each peak by name.

Obsidian Dome is a mile-long 300 foot high lava dome formed less than half a million years ago when magma cooled…

Horseshoe Lake has been transformed into something that you would see on the moon.

Joint operation between US Forest Service and National Park Service.