Disappearing cities, incorrect borders, mistaken detour instructions. Google Maps is a great resource when it's accurate -- and a major source of confusion when it's not
Costa Rica accidentally invades Nicaragua
In November 2010, Nicaraguan troops unknowingly crossed the border to Costa Rica, removed that country's flag, and replaced it with their own. The reason: Google Maps told the troops' commander the territory belonged to Nicaragua.
As a result, the Organization of American States and the U.N. Security Council were called in to mediate the border dispute, determining, in fact, that Google Maps was wrong.