Geohashing is an outdoor recreational activity inspired by the webcomic xkcd, in which participants have to reach a random location…
Geocaching, also GPS scavenger hunt, is a kind of treasure hunt. The search is alternatively possible without a GPS receiver.…
Geocaching is an outdoor recreational activity, in which participants use a Global Positioning System (GPS) receiver or mobile device and…
Urban exploration (often shortened as UE, urbex and sometimes known as roof-and-tunnel hacking) is the exploration of man-made structures, usually…