Explains what standing rocks are, how they are formed by erosion, and gives the names of some well-known ones in Indiana.

What is a sinkhole? Where are they found? What causes them? This text based article will provide the answer to these questions, and more!

Explains what is meant by the deposition of sediments by wind and water and provides examples of the resulting landforms.

The Evergreen Project profiles the natural history of rivers and streams. Topics include watersheds, how a stream becomes a river, erosion, water pollution, and the like.