Originally shared by Brent Newhall
Brilliant RPG world mapping trick from Gnome Stew: Roll dice in a game box lid, and use their physical location and value to create a map.
http://www.gnomestew.com/tools-for-gms/how-to-make-a-drop-map/
http://www.gnomestew.com/tools-for-gms/how-to-make-a-drop-map/