Geocaching can be described as a modern day treasure hunt with items or caches hidden all over the world.
With any GPS device (including your mobile phone), you basically download the app or save the cache locations to your handheld GPS and go and find it! There are many different cache categories, some requiring you to solve problems to unlock the coordinates for the location of the cache. Others make you follow a GPS trail, collecting hints which will give you the final address. Continue reading My first Geocache