Ever wanted to know the science behind a GPS system? This Saturday, head to the Wissahickon Environmental Center for its geocaching workshop from 9 a.m to 12 p.m
Attendees will learn the basics of geocaching in the program. They will also have the opportunity to utilize a basic GPS in the high-tech treasure hungting game.
The event costs $10 per family. For more information, call (215) 685-9285.