Ten years ago, the federal government opened the world of accurate global positioning to the public and, unintentionally, started a revolutionary hobby -- geo-caching. What began as a handful of ...

Geo-cache. A stash of 1990s economy cars? A collection of world maps? A sneeze heard ‘round the world? Nope. Think modern-day treasure hunt with a high-tech twist. Geocaching involves a “hider” ...