In the Salton Sea, an underwater earthquake causes a crevice to open, releasing prehistoric giant mollusks. A rescue training parachute jump is conducted, but the patrol…
In Mexico at the turn of the 20th century, a cowgirl named T.J. Breckenridge hosts a struggling rodeo. Her former lover, Tuck Kirby, a heroic former stuntman working for…
Tribal chief Akhoba leads a hunting party into the hills to search for prey. One member of the tribe traps a warthog in a pit, and then Akhoba's son Tumak kills it. The…
Professor Challenger (Claude Rains), a celebrated biologist and anthropologist, reports to the London Zoological Society that he has discovered living specimens of…
Two men preparing for a duel in 1881 Algiers, Irishman Michael Denning and Frenchman Hector Servadac, are swept from the face of the Earth by a passing comet and find…
Far north of the Arctic Circle, a nuclear bomb test, dubbed "Operation Experiment", is conducted. Prophetically, right after the blast, physicist Thomas Nesbitt muses…