Not a Google Maps story, but a family died in Death Valley 24 years ago by following a map that showed a similar road that was not passable for their vehicle. Tragic way to die.
https://www.strangeoutdoors.com/mysterious-stories-blog/2017...
https://www.strangeoutdoors.com/mysterious-stories-blog/2017...
https://www.google.com/maps/dir/Gold+Beach,+OR/Galice,+OR+97...
There's still some odd behavior around bicycle routes. For instance, Google does not seem to show bike routes down CA-1 in middle California. I'm not sure what's going on there--hundreds of people do that route every year.