What shaped the Earth’s surface? How are fossils formed? What did western Pennsylvania look like millions of years ago when giant lizards roamed through our once-tropical forests? Learn the answers to these questions and more when you explore the ever-changing nature of our planet in Benedum Hall of Geology.

Three Earth-like domes highlight geological time and dating, fossils, shaping the Earth, and Pittsburgh geology. A fourth dome explores the origin, location, and economic development of coal, oil, and gas.

A strong emphasis is placed on the geological processes that shaped Pennsylvania and its neighbors, Ohio and West Virginia. The Stratavator offers a simulated-elevator ride deep into the Earth.