Most Similar Movies to The Beast From 20,000 Fathoms (1953)
If you are looking for movies like The Beast From 20,000 Fathoms (1953), you might like movies tagged with keyword : sci-fi, horror, monster, disaster, cold war, new york, special effects, black and white, 1950s, b-movie, classic, thriller, military, scientists, panic, awakening, fantasy, adventure, mystery, survival .
Them! (1954), Earth vs. the Flying Saucers (1956), The Black Scorpion (1957), Tarantula (1955), Poseidon Rex (2014), The Giant Behemoth (1959), The Phantom From 10,000 Leagues (1956) ... Let's take a look at the following list...

Them! (1954)
The earliest atomic tests in New Mexico cause common ants to mutate into giant man-eating monsters that threaten civilization.
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Earth vs. the Flying Saucers (1956)
Extraterrestrials traveling in high-tech flying saucers contact a scientist as part of a plan to enslave the inhabitants of Earth.
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The Black Scorpion (1957)
Two geologists (Richard Denning, Carlos Rivas) try to destroy a giant scorpion that surfaces after a volcanic eruption in Mexico.
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Tarantula (1955)
A spider escapes from an isolated Arizona desert laboratory experimenting in giantism and grows to tremendous size as it wreaks havoc on the local inhabitants.
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Poseidon Rex (2014)
A small, secluded island off the coast of Belize suddenly finds itself terrorized by a deadly predator from the planet's distant past when deep sea divers accidentally awaken an ancient evil.
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The Giant Behemoth (1959)
Marine atomic tests cause changes in the ocean's ecosystem resulting in dangerous blobs of radiation and the resurrection of a dormant dinosaur that threatens London.
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The Phantom From 10,000 Leagues (1956)
A seaside community is terrorized by a hideous sea monster, which has been created by experiments in atomic radiation.
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The Atomic Submarine (1959)
Ships mysteriously disappear on route across the Arctic Sea, and a specially-equipped submarine is sent to investigate.
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Invisible Invaders (1959)
Invisible aliens from the Moon invade the Earth by occupying the bodies of recently deceased humans but a scientist, his daughter and an army Major, try to fight them.
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The Monster That Challenged the World (1957)
An earthquake doesn't just shake up Southern California -- it awakens a nest of monsters lurking in the Salton Sea. These bloodthirsty sea snails are gobbling up anyone who sets foot in the water. And when the creatures move on to land in search of wider hunting grounds, they launch a reign of terror that threatens to spread across the whole country. Humanity's only hope rests on a crew of intrepid scientists and Lt. Cmdr. John Twillinger (Tim Holt).
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It Came From Beneath the Sea (1955)
A giant, radioactive octopus rises from the Philippine Trench to terrorize the North American Pacific Coast.
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The Lost Continent (1968)
The captain, crew, and passengers of an old freighter-all of them with dark secrets to keep-find themselves adrift in a mysterious land full of monsters, conquistadors, and killer seaweed.
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Godzilla (1998)
A giant, reptilian monster surfaces, leaving destruction in its wake as it strides into New York City. To stop it, an earthworm scientist, his reporter ex-girlfriend, and other unlikely heroes team up to save their city.
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The Beast of Hollow Mountain (1956)
Volcanic activity frees giant scorpions from the earth who wreak havoc in the rural countryside and eventually threaten Mexico City.
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The Thing from Another World (1951)
Scientists and American Air Force officials fend off a bloodthirsty alien organism while at a remote arctic outpost.
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Terror Birds (2016)
When Maddy Stern discovers her father has gone missing during a routine birdwatching excursion, she and her college pals trek out into the wilderness to find him, only to end up in a wealthy scientist's desolate ranch aviary, where they encounter a pair of giant, hungry terror birds believed to be extinct for centuries.
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Jurassic City (2014)
Prehistoric animals emerge from a science lab and tear up most of Los Angeles.
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Carnosaur 3: Primal Species (1996)
International terrorists get a surprise when their cargo turns out to contain living dinosaurs. The army commando team now have to think fast, if they want to prevent the extinction of the human species, instead of the reptiles.
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