Prigionieri dell'Antartide was released in the year 1957。Prigionieri dell'Antartide is also called as The Land Unknown, Oasis des tempêtes, Oasis de la terreur, Flug zur Hölle, Försvunna i okänd värld, Etelämantereen salaisuus。

On a naval expedition to Antarctica, three men and reporter Maggie Hathaway crash-land in a crater 1000 m below sea level. There, they encounter steamy tropical forest, dinosaurs, carnivorous plants, and human footprints, as Maggie's clothes become more and more abbreviated.