Fremont
Recreation: Finders Keeper
Fremont's Groundspeak commands the center of geocaching's expanding universe.
If geocaching is the activity that best marries technology to nature, consider Groundspeak to be the consummate matchmaker. As geocachings de facto governing body, Seattle-based Groundspeak has risen right along with the rocketing enthusiasm for this high-tech take on scavenger hunting. In 2015, Groundspeak reported its best year of growth, with 3 million new user…