man falls into the earth finds a woman and chased by monsters

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.

An Edinburgh professor and assorted colleagues follow an explorer's trail down an extinct Icelandic volcano to the earth's center.

A party of archaeologists discovers the remnants of a mutant five millennia-old Sumerian civilization living beneath a glacier atop a mountain in Mesopatamia.

A woman travels to a town veiled in a conspiracy, to rescue her grandchildren from their father. To do this, she must fight through hell in the underground tunnels where the Mole People reside.

After coming out of a coma, a woman is relentlessly pursued by a creature.

A girl is followed home at night by a monster.

A man falls for a woman in the underground. But it's going to take a lot of work to get her into bed.

A woman chases after her son after his father's death.

A young woman harbors a man in her basement, fighting to save him from a malevolent curse that transforms him at night. Unbeknownst to her, a determined sheriff on the search for missing townsfolks is closing in.