What Evil Waits Below? (Subterranean horror movies)

In a Asian desert, a team of explorers learn of a newly discovered cave system and set out to explore it. However as soon as they begin the descent, it becomes clear that this was a secret that should have remained below the surface.

A team of scientists search for the origin and purpose of a mysterious capsule found on a building site.

A solitary and strange preteen boy wreaks revenge on his harassers when he makes a disturbing discovery in the depth of a forest.

A mysterious artifact is unearthed in London, and famous scientist Bernard Quatermass is called in to divine its origins and explain its strange effects on people.

A security agent investigates sabotage and murder at a secret underground laboratory, home of two experimental robots.

A group of gold thieves pull of a heist and flee into the snowy wilderness, only to be pursued by a horrible, spider-like monster.

When a government official disappears in the London tunnels, after several reports of missing people in the same location, Scotland Yard start to take the matter seriously, along with a couple who stumble into a victim by accident.

After being bitten by a bat in a cave, a doctor undergoes an accelerating transformation into a man-bat, which ruins his vacation and causes considerable distress for his wife.

The 11-year old daughter and girlfriend of a man whose wife had been raped and killed in front of his daughter three years earlier are kidnapped by the same killer. Held captive in a bunker below Grand Central Station, the two plot their escape while the police try to track the kidnapper.

When chemical warfare leaves the world barren and filled with mutated monsters, a band of survivors in an underground complex battle one of the creatures that was able to break in.

Scientists experiment with Extreme Dream Sleep and find a Parallel Dimension. Now they find the door works both ways and something has come through.

Charles Dexter Ward's wife enlists the help of a private detective to find out what her husband is up to in a remote cabin owned by his family for centuries.

A team of spelunkers, when investigating a system of caves beneath a small town, come across a hideous creature that can move through walls.

A man travels to an island with his girlfriend in search of his relatives, but he finds maybe more than what he wanted to know.

A special military unit fights a powerful, out-of-control supercomputer and hundreds of scientists who have mutated into flesh-eating creatures after a laboratory accident.

A fear-obsessed freelance cameraman (Shinya Tsukamoto) investigates an urban legend involving mysterious spirits that haunt the subways of Tokyo.

A prequel to Tremors (1990), this movie tells us about how the town of Perfection, Nevada became founded and how they defended it against the Graboids with the help of Burt Gummer's ancestor, Hiram.

Blood-thirsty creatures await a pack of divers who become trapped in an underwater cave network.

A detective of the paranormal slowly unravels mysterious events with deadly results.

Urban Explorers are extreme sports' answer to computer hackers: a growing breed of thrill-seekers who thrive on infiltrating the planet's most dangerous man-made structures... Just because they can.

After her father gets killed in an automobile accident, Kristel Lodema discovers that he was investigating an old mine where convicted child killer Andries Martiens died back in 1857. Kristel decides to check out the mine along with a group of young adults. However, the mine turns out to be haunted by the dangerous, murderous spirit of Martiens.

8-year-old Jesús has been living in a crumbling underground facility since he was born with eight survivors of an apocalyptic war: the leader Maria and her lover Pablo, gays Lucas and Mateo, astronomer Magdalena, teenager Ana, soldier Pedro, and lonely Judas. They are permanently under surveillance, threatened by the contaminated mutants The Strangers, and once a day they have to lock themselves in their rooms without heating to protect against the dangerous ghosts The Invisibles that attack in the Cold Hour. They cannot go to the surface, destroyed by a nuclear war. When they need supplies, medications, and ammunition, they organize expeditions to a store. When the menace of The Invisibles affects the safety of the group of survivors, they need to reach the surface.

In a tunnel deep under Manhattan, the Old Man rules the citizens of Scum-City. He swears to lead them to a paradise within the hollow earth once he finds five noble souls; but until then his followers must steal and deal to support him. A terminally ill hunchback named Goliath, crazed by his approaching death, decides to find the five noble souls and present them to the Old Man;by beheading New Yorkers he deems worthy of the honor. Meanwhile, another Scum-City dweller known as The Kid tries to do the Old Man's bidding, tangling with deadly gangsters and eccentric drug dealers-even though The Kid is only nine and his main weapon is a water pistol filled with acid. As both Goliath and The Kid pursue paths they believe will lead to paradise, they rob, kill;and inevitably confront each other in a grand showdown.

A group of utility workers are trapped in a series of tunnels which, unfortunately, contain a scientist mutated by his own creation. The creature feeds instantly on a rat, becoming what it has eaten.

Four friends on a bachelor party exit a subway after an altercation. Trapped in a deserted station, they're hunted by cannibalistic dwellers living underground. A fight for survival ensues to make it out alive.