The Land Unknown
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.
- Genre: Adventure, Fantasy, Science Fiction
- Studio: Universal International Pictures
- Keyword: helicopter, monster, tyrannosaurus rex, expedition, carnivorous plant, rescue, jungle, reporter, dinosaur, raft, antarctica, sea monster, prehistoric creature, pterodactyl, lost world, plesiosaur, prehistoric animal
- Cast: Jock Mahoney, Shirley Patterson, William Reynolds, Henry Brandon, Douglas Kennedy, Phil Harvey