Looking for a new outdoor adventure? Geocaching, a modern-day treasure hunt using GPS coordinates, might be just the thing. With more than 3 million active hidden caches worldwide — including 5,908 on ...

You may have heard of geocaching, a high-tech treasure hunt; geocachers, often just called “cachers,” like to say they “use multi-million-dollar satellites to find Tupperware in the woods.” And ...

Bryan Roth had been hiking and scrambling for a while, with drop-offs evident around him, when his guides held out coveralls and pointed between two rocks. “We have to go in the hole,” one said. Roth ...