>>660797I would go here:
>http://exopolitics.org/google-earth-reveals-strange-antarctic-entrances-evidence-of-secret-ufo-bases/tl;dr. Huge "entrance" in Antarctica spotted on google earth, further, Satellite imagery found evidence of structures underground that were subsequently blocked from viewing.
could be linked to German occupation of the Continent, and thier supposed "base"
https://en.wikipedia.org/wiki/Operation_Tabarinand the subsequent battle there, after British and American forces found out about it, and were repelled and defeated.
https://en.wikipedia.org/wiki/Operation_Highjumpthe Admiral of the expedition and polar explorer had this to say
https://en.wikipedia.org/wiki/Richard_E._Byrd