Geology of the southwestern edge of the Almo pluton at City of Rocks, southern Idaho

33. How to Identify Rocks

Cool outcrop near Twin Sisters (City of Rocks, Idaho) exposes the interplay of two granites.

The geologic wonderland of City of Rocks National Reserve in southern Idaho

Geology of the Columbia River Gorge

Folding Rocks; From the Miniscule to Giant Mountains

Into the Abyss: Creatures of the Midwater (Full Movie)

"Old" Yellowstone in southern Idaho: amazing deposits of pyroclastic flows from explosive eruptions

Icicle Creek Exotic Terranes

Investigate mysterious features with a geologist

Dr. Sean Long Webinar on The Widening of the West

Why Is This A "Sinking Canyon"?

Petra: Lost City of Stone | Full Documentary | NOVA | PBS

Geology around Lake Cleveland (near Pomerelle ski resort), Albion Mountains, southern Idaho

Craters of the Moon!

REAL Geologist finds RARE Rock, Geological Consulting

Southern Idaho's Balanced Rock area records an explosive and nonexplosive volcanic history

Unravel a Mysterious Outcrop of Rock with a Geologist.

Ingalls Ophiolite

Eastern Iowa Rocks! An Introduction to Rockhounding in Iowa