https://www.geocaching.com/geocache/GC38H7Y_plecnik-xxi-1st-wherigo-in-slovenia
GC38H7Y Plecnik XXI - 1st Wherigo in Slovenia (Wherigo Cache) in Slovenia created by Geobunkelj.si
Geocaching is a treasure hunting game where you use a GPS to hide and seek containers with other participants in the activity. Geocaching.com is the listing...