Urban Treasure

February 9, 2011 • 00:05:00
Geocaching is a high-tech treasure-hunting game played throughout the world by adventure seekers equipped with GPS devices. The basic idea is to locate hidden containers, called geocaches, outdoors and then share experiences online. We take a trip around San Francisco and examine what treasures are hidden in plain sight and talk to a few geocachers to find out what all this means.

More From Science in the City

November 9, 2011 • 00:04:35
September 16, 2015 • 6:09
March 9, 2011 • 00:03:14