Events. Geocaching. Geocaching /ˈdʒiːoʊˌkæʃɪŋ/ is an outdoor recreational activity, in which participants use a Global Positioning System (GPS) receiver or mobile device and other navigational techniques to hide and seek containers, called "geocaches" or "caches", anywhere in the world.
History This is where the very first geocache was placed by Dave Ulmer, 360° panorama view Dave Ulmer and the plaque commemorating the first geocache WikiMiniAtlas. Houston GeoCaching Society. Geocaching - The Official Global GPS Cache Hunt Site.