https://www.geocaching.com/geocache/GCB38D1_wanderstempel-ernst-mosel
GCB38D1 Wanderstempel Ernst (Mosel) (Letterbox Hybrid) in Rheinland-Pfalz, Germany created by...
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...