Zara Montalve, half Spanish and half America, returns to her native California in time to see her parents murdered for their hacienda and gold by Sheriff Jim Harding and his gang. Posing as Lola Belmont, an American visiting from Detroit, teams up with Joaquin Murietta, posing as Carlos Del Rio, to form a Robin-Hood type band that takes vengeance on the gang and restores stolen gold to its rightful owners, aided by militia leader Dan Hinsdale.
France, 1640. Cyrano, the charismatic swordsman-poet with the absurd nose, hopelessly loves the beauteous Roxane; she, in turn, confesses to Cyrano her love for the handsome but tongue-tied Christian. The chivalrous Cyrano sets up with Christian an innocent deception, with tragic results.
Tigri and her stone age friends, all of which are women, hate all men. However, she and her Amazon tribe see men as a "necessary evil" and capture them for potential husbands. Engor, who is smarter than the rest of the men, is able to escape them. He discovers fire and battle enormous beasts.
A team composed of an aerospace scientist, an ex-Air Force general, and an industrialist conceives an ambitious plan to land Americans on the moon. From their base in the Mojave Desert, they construct and successfully launch a spacecraft named "Luna" that contains a cargo of four astronauts. But a critical miscalculation of needed power to escape the moon's gravitational pull may put the astronauts' lives in danger.
Little David Gordon lives in the jungle with his parents Ruth and Fred, along with their servant Nona. David likes living there while his father captures wild animals; he's made friends with Bomba the jungle boy, who has shown him a great deal about life in the jungle. One day two adventurers come looking for ancient treasure in the shadow of a live volcano.
Two young horse traders guide a Mormon wagon train to the San Juan Valley and encounter rugged terrain, the cutthroat Clegg gang, hospitable Navajo, and moral challenges on the journey.
A hunter is hired to take an expedition deep into the African jungle to search for a white boy lost in a plane crash years before, and who has been rumored to be living among the wild animals.
A group of men calling themselves 'The Pirates of Capri", headed by Captain Sirroco, who is really Count Amalfi, are trying to restore freedom to the people of Naples. The Queen is advised of the pirate's assault of a member of her court and she seeks to escape to Palermo. But, she is advised it would be good politics for her to attend a ball Amalfi is giving for his fiancée, Mercedes, who is unaware of the dual role Amalfi is playing.
David Palmer, a young chemist, returns to his father's Indiana farm, to marry a local school teacher, Ruth Treadwell. David meets again his father's horse-trainer, Ben Lathrop, whose daughter, Cissy, has left high school to help her father. Palmer marries and becomes wealthy through an invention, and is able to indulge his socially-ambitious wife. His father dies and Palmer returns to Indiana, where his interest in harness-racing is rekindled, as is his interest in Cissy Lathrop.
Prof. Millard pretends to be dead and helps Jeff King ferret out Vulcan, the evil traitor at the science academy. Donning his Rocket Man costume King goes from one hair raising rescue to the next in order to keep the newly invented Decimator out of the clutches of Vulcan and his minions.
When bookseller Buzz cons Diana into thinking that his friend Stanley knows all there is to know about Africa, they are abducted and ordered to lead Diana and her henchmen to an African tribe in search of a fortune in jewels.
Captain Gerard, greatest lover in the Foreign Legion, is assigned to escort an emir's daughter to her father's mountain citadel and find out what he can about the emir's activities. Gerard enjoys his work with lovely Cara, but arrives to find rebellion brewing.