Movies like Unknown World (1951)
The best movies like Unknown World (1951) are Creature from the Black Lagoon (1954), The Lost World (1960) and Fantastic Voyage (1966). If Unknown World hooked you with its adventure and science fiction, these 30 similar films are what to watch next, and every pick says why it matches.
Quick picks
- Highest ratedFree Solo (2018)7.9/10 from 1,608 votes
- NewestBone Keeper (2026)Released 2026
Creature from the Black Lagoon (1954)
When scientists exploring the Amazon River stumble on a “missing link” connecting humans and fish, they plan to capture it for later study. But the Creature has plans of his own, and has set his sights on the lead scientist's beautiful fiancée, Kay.
Why it matches: Recommended by TMDB viewers · both adventure & science fiction
Popcorn FlickMovies like thisThe Lost World (1960)
Professor Challenger leads an expedition of scientists and adventurers to a remote plateau deep in the Amazonian jungle to verify his claim that dinosaurs still live there.
Why it matches: Recommended by TMDB viewers · both adventure & science fiction
SnoozefestMovies like thisFantastic Voyage (1966)
In order to save an assassinated scientist, a submarine and its crew are shrunk to microscopic size and injected into his bloodstream.
Why it matches: Recommended by TMDB viewers · both science fiction & adventure
Popcorn FlickMovies like thisTomorrowland (2015)
Bound by a shared destiny, a bright, optimistic teen bursting with scientific curiosity and a former boy-genius inventor jaded by disillusionment embark on a danger-filled mission to unearth the secrets of an enigmatic place somewhere in time and space that exists in their collective memory as "Tomorrowland."
Why it matches: Recommended by TMDB viewers · both adventure & science fiction
Popcorn FlickMovies like thisEarth to Echo (2014)
After a construction project begins digging in their neighbourhood, best friends Tuck, Munch and Alex inexplicably begin to receive strange, encoded messages on their cell phones. Convinced something bigger is going on, they go to their parents and the authorities. The three embark on a secret adventure to crack the code and follow it to its source, and discover a mysterious being from another world who desperately needs their help. The journey that follows will change all their lives forever.
Why it matches: Recommended by TMDB viewers · both adventure & science fiction
SnoozefestMovies like thisJourney to the Center of the Earth (2008)
On a quest to find out what happened to his missing brother, a scientist, his nephew and their mountain guide discover a fantastic and dangerous lost world in the center of the earth.
Why it matches: Recommended by TMDB viewers · both science fiction & adventure
Popcorn FlickMovies like this65 (2023)
65 million years ago, the only 2 survivors of a spaceship from Somaris that crash-landed on Earth, must fend off dinosaurs to reach the escape vessel in time before an imminent asteroid strike threatens to destroy the planet.
Why it matches: Recommended by TMDB viewers · both adventure & science fiction
SnoozefestMovies like thisCity of Ember (2008)
For generations, the people of the City of Ember have flourished in an amazing world of glittering lights. But Ember's once powerful generator is failing and the great lamps that illuminate the city are starting to flicker. Now, two teenagers, in a race against time, must search Ember for clues that will unlock the ancient mystery of the city's existence, before the the lights go out forever.
Why it matches: Recommended by TMDB viewers · both adventure
Popcorn FlickMovies like thisThings to Come (1936)
The story of a century: a decades-long second World War leaves plague and anarchy, then a rational state rebuilds civilization and attempts space travel.
Why it matches: Recommended by TMDB viewers · both science fiction
Popcorn FlickMovies like thisCrack in the World (1965)
Dr. Steven Sorenson plans to tap the geothermal energy of the Earth's interior by means of a thermonuclear device detonated deep within the Earth. This experiment causes a crack to form and grow within the Earth's crust, which threatens to split the earth in two if it is not stopped in time.
Why it matches: Recommended by TMDB viewers · both science fiction
SnoozefestMovies like thisThe Invisible Man (1933)
After experimenting on himself and becoming invisible, scientist Jack Griffin, now aggressive due to the drug's effects, seeks a way to reverse the experiment at any cost.
Why it matches: Recommended by TMDB viewers · both science fiction
Worth the HypeMovies like thisJoe Versus the Volcano (1990)
Hypochondriac Joe Banks finds out he has six months to live, quits his dead end job, musters the courage to ask his co-worker out on a date, and is then hired to jump into a volcano by a mysterious visitor.
Why it matches: Recommended by TMDB viewers · both adventure
SnoozefestMovies like thisAnastasia: Once Upon a Time (2020)
Anastasia Romanov escapes through a portal when her family is threatened by Vladimir Lenin, and she finds herself in the year 1988, befriended by a young American girl.
Why it matches: Recommended by TMDB viewers · both adventure
SnoozefestMovies like thisDory's Reef Cam (2020)
Dive into the waters below and watch the aquatic wildlife from the world of Nemo and Dory.
Why it matches: Recommended by TMDB viewers · both adventure
SnoozefestMovies like thisFree Solo (2018)
Follow Alex Honnold as he attempts to become the first person to ever free solo climb Yosemite's 3,000 foot high El Capitan wall. With no ropes or safety gear, this would arguably be the greatest feat in rock climbing history.
Why it matches: Recommended by TMDB viewers · both adventure
Absolute CinemaMovies like thisProject: ALF (1996)
Six years ago, the lovable intergalactic fugitive Gordon Shumway, best known as ALF, was on his way back to his new home when the Alien Task Force finally caught up with him. Now, he is being studied at a top-secret military base where he finds allies who feel that ALF's existence should be announced to the world to ensure his safety... especially when they learn that the abrasive Colonel Milfoil wants ALF, and all Alien Life-Forms, destroyed.
Why it matches: Recommended by TMDB viewers · both science fiction
Popcorn FlickMovies like thisThe Andromeda Strain (1971)
When virtually all of the residents of Piedmont, New Mexico are found dead after the return to Earth of a space satellite, the head of the US Air Force's Project Scoop declares an emergency. A group of eminent scientists led by Dr. Jeremy Stone scrambles to a secure laboratory and tries first to isolate the life form while determining why two people from Piedmont - an old alcoholic and a six-month-old baby - survived. The scientists methodically study the alien life form, unaware that it has already mutated and presents a far greater danger in the lab, which is equipped with a nuclear self-destruct device designed to prevent the escape of dangerous biological agents.
Why it matches: Recommended by TMDB viewers · both science fiction
Worth the HypeMovies like thisDave Made a Maze (2017)
Dave, an artist who has yet to complete anything significant in his career, builds a fort in his living room out of pure frustration, only to wind up trapped by the fantastical pitfalls, booby traps, and critters of his own creation. Ignoring his warnings, Dave’s girlfriend Annie leads a band of oddball explorers on a rescue mission. Once inside, they find themselves trapped in an ever-changing supernatural world, threatened by booby traps and pursued by a bloodthirsty Minotaur.
Why it matches: Recommended by TMDB viewers · both adventure
Popcorn FlickMovies like thisFrequencies (2013)
The story of the forbidden relationship between a 'low born' boy and a 'high born' girl in an alternate reality where every person's relationships and life worth are determined by their innate 'frequencies'.
Why it matches: Recommended by TMDB viewers · both science fiction
Popcorn FlickMovies like thisHelp! (1965)
An obscure Eastern cult that practices human sacrifice pursues Ringo after he unknowingly puts on a ceremonial ring (that, of course, won't come off). On top of that, a pair of mad scientists, members of Scotland Yard, and a beautiful but dead-eyed assassin all have their own plans for the Fab Four.
Why it matches: Recommended by TMDB viewers · both adventure
Popcorn FlickMovies like thisBattle for Terra (2007)
A peaceful alien planet faces annihilation, as the homeless remainder of the human race sets its eyes on Terra. Mala, a rebellious Terrian teenager, will do everything she can to stop it.
Why it matches: Similar story and style · both adventure & science fiction
Popcorn FlickMovies like thisBone Keeper (2026)
Six young friends investigate missing persons cases in a remote cave system, unaware they're being stalked by an ancient creature lurking in the depths.
Why it matches: Similar story and style · both adventure & science fiction
Made in Abyss: Journey's Dawn (2019)
First compilation movie of the TV series which covers episodes 1-8 with new scenes added for the introduction. It covers the period from when Riko descends into the Abyss with her robot companion Reg, reaching the second layer where they meet the White Whistle Ozen who reveals information about Riko's mother.
Why it matches: Similar story and style · both adventure & science fiction
Worth the HypeMovies like thisMade in Abyss: Wandering Twilight (2019)
Second compilation movie of the TV series which covers episodes 9-13. Riko and Reg descend to the third and fourth layer where Riko has her first experience of the Curse.
Why it matches: Similar story and style · both adventure & science fiction
Absolute CinemaMovies like thisWorld Without End (1956)
Four astronauts returning from man's first mission to Mars enter a time warp and crash on a 26th-century Earth devastated by atomic war. At first unaware where they are, but finding the atmosphere safe to breathe, they start exploring and find themselves in a divided future where disfigured mutants living like cavemen inhabit the surface, while the normals live comfortably below the surface but are dying as a race from lack of natural water, air and sunlight.
Why it matches: Similar story and style · both science fiction & adventure
SnoozefestMovies like thisThe Cave (2005)
After a group of biologists discovers a huge network of unexplored caves in Romania and, believing it to be an undisturbed eco-system that has produced a new species, they hire the best American team of underwater cave explorers in the world. While exploring deeper into the underwater caves, a rockslide blocks their exit, and they soon discover a larger carnivorous creature has added them to its food chain.
Why it matches: Similar story and style · both adventure
SnoozefestMovies like thisDaylight (1996)
A group of armed robbers fleeing the police head for the New Jersey Tunnel and run right into trucks transporting toxic waste. The spectacular explosion that follows results in both ends of the tunnel collapsing and the handful of people who survived the explosion are now in peril. Kit Latura is the only man with the skill and knowledge to lead the band of survivors out of the tunnel before the structure collapses.
Why it matches: Similar story and style · both adventure
Popcorn FlickMovies like thisBushwhacked (1995)
A inept courier realises he has been used by criminals to deliver money. On the run from both the criminals and police, he poses as a Scout leader and leads a scout group on a hike through the mountains.
Why it matches: Similar story and style · both adventure
SnoozefestMovies like thisAmbient Trip Commander (2022)
AMBIENT TRIP COMMANDER is the story of Samantha Tapferstern, a geeky young woman who lives a rather dull life in a medium-sized European city. She works a mundane job at a synthesizer store and spends her lonely evenings playing RPG games. One day she receives a cryptic email from a hacker group inviting her to Lonetal, a village secluded somewhere deep in the European Alps. As we follow her journey to Lonetal, things become more sinister and a grand mystery starts to unfold…
Why it matches: Similar story and style · both science fiction
The Descent (2005)
After a personal tragedy, Sarah joins her friends on a caving expedition in the Appalachian Mountains. But when a rockfall traps them deep underground, their adventure turns into a nightmare. As they search for a way out, the group discovers they are not alone—lurking in the darkness are savage, cave-dwelling creatures. With rising tension and dwindling trust, the women must fight to survive against both the predators and each other.
Why it matches: Similar story and style · both adventure
Worth the HypeMovies like this
Like Unknown World and something else?
Blend two favourites and we’ll find the films in between.
Frequently asked questions
What are the best movies like Unknown World?
The closest matches to Unknown World are Creature from the Black Lagoon (1954), The Lost World (1960) and Fantastic Voyage (1966). Below are 27 more, each with the reason it matches.
What should I watch after Unknown World?
Start with Creature from the Black Lagoon (1954), the closest match to Unknown World.
What is the highest-rated movie like Unknown World?
Free Solo (2018), rated 7.9/10 by 1,608 TMDB users.
What is the newest movie like Unknown World?
Bone Keeper (2026) is the most recent release on this list.
Are there English movies like Unknown World?
Yes: Creature from the Black Lagoon (1954), The Lost World (1960) and Fantastic Voyage (1966).
How are movies similar to Unknown World chosen?
First come films that Trakt’s viewers watch alongside Unknown World, then TMDB’s recommendations and films it rates as similar in story and genre. Each pick says which signal put it there.