The Land Unknown (1957)

Navy Commander Alan Roberts is assigned to lead an expedition to Little America in Antarctica to investigate reports of a mysterious warm water inland lake discovered a decade earlier. His helicopter and its small party, including reporter Maggie Hathaway, is forced down into a volcanic crater by a fierce storm. They find themselves trapped in a lush tropical environment that has survived from prehistoric times.

Directed by: Virgil W. Vogel

Starring: Jock Mahoney, Shirley Patterson, William Reynolds, Henry Brandon, Douglas Kennedy, Phil Harvey

Links: IMDb, Movie posters, Movie stills

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