The outdoor sport or game of searching for hidden objects by using Global Positioning System (GPS) coordinates posted on the Internet.
A form of treasure hunt using GPS, in which an item is hidden somewhere in the world and its coordinates posted on the Internet, so that GPS users can locate it.
Clicking a GC code, Cache name or Username will take you to the caches page or users profile on geocaching.com, clicking a find count will show the logs for that cache.