Plot hole: They all drop their backpacks and bags 3/4 mile down into the hole before climbing by rope into the caverns to begin their journey. Later in the movie, they are all sitting deep in the caverns complaining about the lack of water supply. Suddenly the long-haired guy pulls out a large glass bottle of gin, completely intact and they all drink from it. There is no way his pack could have fallen 3/4 mile onto a hard surface without that bottle breaking.
Journey to the Center of the Earth (1959)
2 plot holes
Directed by: Henry Levin
Starring: James Mason, Diane Baker, Pat Boone, Arlene Dahl, Alan Napier, Peter Ronson, Robert Adler, Thayer David

Visible crew/equipment: A giant lizard grabs hold of Mason with its very long tongue. Cables can be seen around the fake tongue which are both wrapped around Mason's left leg. (02:00:10)
Sir Oliver Lindenbrook: Your entire presence is a constant criticism of me. I'm tired of it, I've had enough.
Carla Goetabaug: You've had enough! Well, let me tell you, you... you dried up walnut of a man, if anyone's had enough, it's me.
Sir Oliver Lindenbrook: It's I.
More trivia for Journey to the Center of the Earth
Question: When the gang explore the ruins of the city, you can hear a low pitch humming noise. What was making that noise?





Answer: It's just an added sound effect that foreshadows an ominous event (the giant reptile) that is about to happen. It's not meant to be anything naturally occurring.
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