WHAT IS A LETTERBOX GEOCACHE?!

Have you ever found a Letterbox hybrid geocache? I found 25 in one day! http://www.letterboxing.org GET STARTED GEOCACHING, CLICK HERE! http://amzn.to/I28Pla PREVIOUS VIDEOS: AMAZING RADIO GEOCACHE!    • AMAZING RADIO GEOCACHE!   PREVIOUS MICRO VLOG: WILD MINNESOTA JAGUAR!    • GIRL FINDS FIRST GEOCACHE! [MICRO VLOG]      • SUSPENSION BRIDGE GEOCACHE! [MICRO VLOG]   SUBSCRIBE:    / mngeocaching   OTHER CHANNEL:    / geocachingouttakes   CONNECT WITH US: FACEBOOK:   / thegeocachingvlogger   FOLLOW US ON TWITTER:   / mpls_geocaching   GOOGLE PLUS: https://plus.google.com/1131376211563... PINTEREST:   / joshuamjohnson   Music provided by: http://www.joshwoodward.com