Here's a few free items to check out in case you missed them!
Geocaching and GPS In the Classroom - This pdf is from 2008, but offers some unique learning ideas to possibly meet the needs of your learners.
Dr. Christie's GPS and Geocaching Guide for Educators - This link is chock full of resources and lessons for the enthusiastic teacher!
Geocaching in the Classroom Virtual Conference - This hour long session provides good beginning insight into starting a GPS-based program at your school.
The Most Evil Geocache Ever! - I just had to post this video. If you've never looked for a "Difficulty 5" geocache, then you don't really know how frustrating it can be. DO NOT make your caches this hard for your students to find. :)
