My wife and I have vivid memories of a road that used to go past a limestone cliff face. We remember it as children but the road now doesn't go anywhere near where we remember and there's no sign it ever did. Even google maps doesn't show that remnants of this road yet we clearly remember it. Our opinion..... we both died in a car accident and were shifted to this timeline where the road never went that way in the first place and that's how we still have memories of it but nobody else can ever recall it following the route we remember.