Geocaching & Letterboxing
Geocaching is an outdoor recreation activity for global positioning system (GPS) users. Caches are typically waterproof containers of varying sizes and shapes, holding miscellaneous items such as a logbook and trinkets.
Individuals and organizations have set up caches all over the world and share the locations of these caches on geocaching websites such as www.geocaching.com. When a cache is located, the geocacher will sign a logbook, remove an item from the cache, and replace it with an item they have brought wi...