BOULDER, Colo.—Authorities have determined a mysterious object responsible for the evacuation of a Boulder high school was a geocaching box. Police say a Fairview High teacher called authorities at 11 ...

Before smartphones were really ‘smart’, youngsters were traipsing around the countryside on the hunt for hidden treasure – with GPS device as their guide. Geocaching became a worldwide phenomenon in ...

On a recent too-hot morning at Papago Park, I try my hand at a high-tech treasure hunt that’s become an international craze. It’s called geocaching, and it’s both tougher and more fun than I expected.

I’m sure you’ve all heard of geo-tagging, the method of adding map coordinates to photographs and gadgets to use positional markers. Well, this reverse geo-caching gift box uses the same technology ...