geocaching.com

m1ZnO TIL There is a geocache on the International Space Station
gMjOb TIL there is a GeoCache on the International Space Station.
YpnDW TIL that there are over 3 million "geocaches" worldwide. Small containers holding trinkets and a note that players find using Geocaching Apps or GPS devices. But you must avoid uncovering them in front of the "Muggles" People who are unaware of geocaching and may disturbed the hidden cache.