I teach middle school history. I've been searching for a way to incorporate geocaching into my lessons for a while now, and as my classes approach a unit on European explorers I think I've found a way. I'd like to get a handful of TBs and have each class send out a few to 'explore' various locations reached by the great explorers (i.e. de Gama, Magellan, Cabot etc.) I've often been asked - in jest - by students "Why can't we just go to these places". While I'd love to take a class field trip to The Strait of Magellan or the Cape of Good Hope I think the TBs might be a good alternative until I can get the school to approve the funding for such a trip.
I realize that many/all the trackers may get lost/disappear and many may take routes that are no where near what was intended, but that may be a valuable lesson in any case.
If you have any suggestions or warnings I'd be glad to hear them.