This world is beautiful. I keep stumbling across some really interesting places I would like to take my guild to for things like meetings, or events.
Right click any point on the map, and you have a menu that allows you to bookmark. Maybe you could ping bookmarks in chat so that others can see the location of your bookmarks?
Bookmarks could be saved locally on your PC (Documents/Guild Wars 2/Bookmarks) and contains coordinates to the location.