A while back, there was a thread where users could add to a collective map of their travels, which stemmed from a map I posted. That thread is long dead, so I figured I ought to make a new version. The rules are simple: copy the map into whatever program you prefer, and use the color code to add where you've been. Priority for each color goes from top to bottom, and if you're replacing a dark-colored county with a higher-priority status, use the lighter color. I'll start out with U.S. counties and a world map, but feel free to add another map if you'd like- as long as you use the same color scheme.
