I remember a bogus story about prehistoric artifacts found in Antarctica, I wonder if that was posted here?
But anyway, that’s an excellent example, one of the most remote places on Earth, and three unlike cultures wound up stuffed in there.
Palaeoecological Evidence for Possible Pre-European Settlement in the Falkland Islands
http://www.sciencedirect.com/science/article/pii/S0305440398902977
In his writings, Humboldt mentioned the distinctiveness of these people he encountered down there.