A down-and-dirty town is forced to shape up when a new marshal (Clint Walker) comes to town. However, when a scheme is launched to destroy the lawman's authority, he must discover the perpetrators and preserve his reputation.

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.

A cowboy stampedes a Rebel plot with a Union spy posing as a dance-hall girl.

A marshal tries to bring the son of an old friend, an autocratic cattle baron, to justice for the rape and murder of his wife.

This biopic traces Elvis Presley’s life from his impoverished childhood to his meteoric rise to stardom to his triumphant conquering of Las Vegas.