Enjoy a National Park experience!
Challenge Yourself with our interactive games.
Journey into the Subduction Zone as you solve the geologic mystery of how the rocks you see in the cliffs of the Golden Gate formed millions of years ago! Collect your samples and make your conclusions.
Wild and the City
Did You Know?
Geologists sometimes call Franciscan pillow basalt “greenstone” because it contains green minerals formed in an interaction between the basalt and hot, mineral-rich seawater.