SUNDAY  --  Explore the world with this GPS scavenger hunt!

The EarthCache program is part of The Geological Society of America's (GSA) Education and Outreach effort in partnership with Geocaching.com and other partners around the world.

Why not explore and find an EarthCache in Pennsylvania? There are many EarthCaches in Pennsylvania! Search the database at the Geocaching website, and then grab your GPS unit and explore the outdoors! (*You will need to register for a free Geocaching account in order to view the full descriptions of the EarthCaches)

View these videos to learn more about EarthCaching.