Unknown World (1951)
With the cyclotram, an atomic-powered rock-boring vehicle, Dr. Jerimiah Morley leads an expedition into a subterranean world.
Top billed cast
Bruce KelloggWright Thompson, Jr.
Otto WaldisDr. Max A. Bauer
Jim BannonAndrew "Andy" Ostergaard
Tom HandleyDr. James Paxton
Dick CoganDr. George Coleman
George BaxterCarlisle Foundation Chairman
Marilyn NashDr. Joan Lindsey
Victor KilianDr. Jeremiah Morley (uncredited)
Similar to Unknown World
A Trip to the Moon (1902)
Professor Barbenfouillis and five of his colleagues from the Academy of Astronomy travel to the Moon aboard a rocket propelled by a giant cannon. Once on the lunar surface, the bold explorers face the many perils hidden in the caves of the mysterious planet.
Cube (2021)
Six complete strangers with widely varying personalities are involuntarily placed in an endless maze of interlocking cube-shaped rooms containing deadly traps.
Back to the Future Part II (1989)
Marty and Doc are at it again as the time-traveling duo head to 2015 to nip some McFly family woes in the bud. But things go awry thanks to bully Biff Tannen and a pesky sports almanac. In a last-ditch attempt to set things straight, Marty finds himself bound for 1955 and face to face with his teenage parents -- again.
The 13th Warrior (1999)
A Muslim ambassador exiled from his homeland joins a group of Vikings, initially offended by their behavior but growing to respect them. As they travel together, they learn of a legendary evil closing in and must unite to confront this formidable force.
The Life Aquatic with Steve Zissou (2004)
Renowned oceanographer Steve Zissou has sworn vengeance upon the rare shark that devoured a member of his crew. In addition to his regular team, he is joined on his boat by Ned, a man who believes Zissou to be his father, and Jane, a journalist pregnant by a married man. They travel the sea, all too often running into pirates and, perhaps more traumatically, various figures from Zissou's past, including his estranged wife, Eleanor.
El Topo (1970)
El Topo decides to confront warrior Masters on a trans-formative desert journey he begins with his 6 year old son, who must bury his childhood totems to become a man.
FernGully: The Last Rainforest (1992)
When a sprite named Crysta shrinks a human boy, Zak, down to her size, he vows to help the magical fairy folk stop a greedy logging company from destroying their home: the pristine rainforest known as FernGully. Zak and his new friends fight to defend FernGully from lumberjacks — and the vengeful spirit they accidentally unleash after chopping down a magic tree.
The Descent (2005)
After a tragic accident, six friends reunite for a caving expedition. Their adventure soon goes horribly wrong when a collapse traps them deep underground and they find themselves pursued by bloodthirsty creatures. As their friendships deteriorate, they find themselves in a desperate struggle to survive the creatures and each other.
Dersu Uzala (1975)
A military explorer meets and befriends a Goldi man in Russia’s unmapped forests. A deep and abiding bond evolves between the two men, one civilized in the usual sense, the other at home in the glacial Siberian woods.
Daylight (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.
Curse of the Mayans (2017)
Danielle Noble (played by Carla Ortiz) and her team of expert cave divers led by an ambitious american archaeologist (Steve Wilcox), undertake an expedition in search of the lost Mayan Library, without imagining they will instead find the hidden gates of hell known as Xib'alb'a.
Eden Log (2007)
A man wakes up deep inside a cave. Suffering amnesia, he has no recollection of how he came to be here or of what happened to the man whose body he finds beside him. Tailed by a mysterious creature, he must continue through this strange and fantastic world. Enclosed, Tolbiac has no other option to reach the surface than to use REZO ZERO, secret observing cells in this cemetery-like abandoned mine.
Ravenous (1999)
Upon receiving reports of missing persons at Fort Spencer, a remote Army outpost on the Western frontier, Capt. John Boyd investigates. After arriving at his new post, Boyd and his regiment aid a wounded frontiersman who recounts a horrifying tale of a wagon train murdered by its supposed guide -- a vicious U.S. Army colonel gone rogue. Fearing the worst, the regiment heads out into the wilderness to verify the gruesome claims.
Mimic (1997)
A disease carried by common cockroaches is killing Manhattan children. In an effort to stop the epidemic an entomologist, Susan Tyler, creates a mutant breed of insect that secretes a fluid to kill the roaches. This mutant breed was engineered to die after one generation, but three years later Susan finds out that the species has survived and evolved into a large, gruesome monster that can mimic human form.
The 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.
Atlas (2024)
A brilliant counterterrorism analyst with a deep distrust of AI discovers it might be her only hope when a mission to capture a renegade robot goes awry.
One Million B.C. (1940)
One Million B.C. is a 1940 American fantasy film produced by Hal Roach Studios and released by United Artists. It is also known by the titles Cave Man, Man and His Mate, and Tumak. The film stars Victor Mature as protagonist Tumak, a young cave man who strives to unite the uncivilized Rock Tribe and the peaceful Shell Tribe, Carole Landis as Loana, daughter of the Shell Tribe chief and Tumak's love interest, and Lon Chaney, Jr. as Tumak's stern father and leader of the Rock Tribe.
Grand Canyon Adventure: River at Risk (2008)
A documentary about a 15-day river-rafting trip on the Colorado River aimed at highlighting water conservation issues.
Crawl or Die (2014)
Earth as we know it is gone. A virus has destroyed the planet and rendered all its women infertile, all but one. An elite team of soldiers are tasked with bringing the woman to safety on the newly habitable Earth Two. But when they are forced underground they find themselves fighting for survival from an bloodthirsty creature in a maze of ever shrinking tunnels. As the team's ranks start to dwindle, the tunnels shrink and the ammunition run out, the crawl for survival becomes more and more desperate.
Invaders from Mars (1953)
In the early hours of the night, young David Maclean sees a flying saucer land and disappear into the sand dunes just beyond his house. Slowly, all of the adults, including his once loving parents, begin to act strangely.