Algeria 1881. Two men, Michael Denning and Hector Servadac are having a duel with one another when a comet goes past the earth at low altitude. The strong wind this creates transports the two men to the moon. They find themselves in a jungle inhabited by reptiles and prehistoric humans. They have a difficult time before they manage to adapt to the dangers, but eventually they each find a girl to spend time with, awaiting the next return of the comet to take them back to Earth.
Valley of the Dragons
In 1881, in Algeria, Michael Denning and Hector Servadac are fighting a duel when a comet brushing Earth takes the two men to the Moon where they discover a prehistoric civilization.