No Mundo dos Monstros Pré-Históricos

Sinopse

A small crew led by Commander Harold Roberts and reporter Maggie Hathaway are on an expedition into Antarctica for the United States Navy. During a Sikorsky H-5 flight, they are called back to their ship via radio because of an unexpected storm approaching. At first they try to fly around the storm, but low on fuel, they fly into the storm, where they almost collide in mid-air with a man-sized pterosaur. Their rotor breaks and unable to stay in the air they start to descend, and are surprised when they end up landing well below sea-level in a warm volcanic crater. Inside, they discover a steamy tropical jungle populated by living dinosaurs, giant flesh-eating plants, and fresh human footprints. The crew encounter many dangers and perils in the jungle in a fight for survival.