Fossils

Learn about Iowa’s geology and ancient past by exploring fossilized creatures.

Rock Layers and Fossils

Let’s learn about shale and limestone, two different kinds of rocks.

Watch

Why is the makeup of rocks different?

Let’s learn about a time when Iowa was covered in sea water and aquatic creatures lived where there is now land.

Watch

What do the fossils found in Rockford, Iowa tell us about Iowa's ancient history?

Investigate the ancient remains of an ocean floor.

Check out a fossil gorge in Iowa City, Iowa.

Check out a fossil and prairie preserve in Rockford, Iowa. Tiny fossils can be found everywhere!

Investigate a rock wall to learn more about types of rocks in Iowa.