Want to watch better-quality PBS Video? Sign in to access HD streaming!
Take your class on a tour of Ohio's geology. Learn how Ohio's geology formed and why it is unique. Did you know that Cincinnati is famous for our landslides? Did you know we were once the home of a warm shallow sea? Did you know that most of Ohio was once covered by a great wall of ice? Learn many fascinating facts from professional geologists as we visit many of Ohio's scenic natural wonders.
Upgrade Your Viewing Experience
This video is available to CallSign viewers with a Passport account. Passport gives you access to a wealth of premium content not previously available online, including full seasons of your favorite shows.