Crack in the World is a 1965 American science-fiction doomsday disaster movie filmed in Spain. It is about scientists who launch a rocket in the Earth's core to research its geothermal energy but accidentally unleash a cataclysmic destruction that threatens to sever the earth in two. It was released by Paramount Pictures on February 24, 1965.
Variety wrote that it is more believable than the usual science fiction premise and praised its special effects. Howard Thompson of The New York Times called it "the best science-fiction thriller this year". Time Out London called it "awesomely credible" and described the ending's imagery as disturbing.