The Pacific Northwest is home to some truly amazing geology. From the high desert to the Cascades Range to the ocean floor, there are rocks galore—each with its own story to tell about Earth's deepest past. In honor of the anniversary of the Mount St. Helens eruption on May 18, we invite you to explore the region's fascinating geology through games, videos, and more!
Rocks on the Road
Rock Cycle Game
Crayon Rock Cycle
Roadside Geology of Oregon
Rocks and Minerals: Everyday Uses
Mount St. Helens VolcanoCams
Explore our other at-home adventures.
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