Another mystery location
Type in destination.... 66 36'11.45"S 99 43'11.84"E
and you find what looks like a man made entrance to an underground area in the Antarctic.
Now this may be a logical thing to find until you begin to websearch
....Operation Highjump 1947
....Admiral Byrd's secret diaries
This looks like a BIG topic with a weeks worth of webbrowsing