The Beast of Hollow Mountain

A turn of the century wild west show struggling to make a living in Mexico comes into the possession of a tiny prehistoric horse. This leads to an expedition to the Forbidden Valley where they discover living dinosaurs. They capture one and take it back to be put on display, leading to inevitable mayhem.

A rogue scientist near a small desert town arouses the suspicion of the town's doctor when his lab assistant is found dead from a case of acromegaly, which took only four days to develop. As the doctor investigates, aided by the scientist's new female assistant, they discover that something is devouring local cattle and humans in increasingly large quantities.

Arizona ants mock the food chain on their way to a desert lab to get two scientists and a woman.

When their plans for a nature trip go awry, Polly and boyfriend Seth decide to check into a motel. On their way, they're carjacked and kidnapped by low-rent crooks Dennis and Lacey, who take the victims and their SUV to a nearby gas station. Along the way, they encounter an increasingly terrifying horde of parasites, and if any of them intend to survive, they'll have to outsmart the deadly organisms.

A homicide detective teams up with an evolutionary biologist to hunt a giant creature that is killing people in a Chicago museum.

As a result of nuclear testing, gigantic, ferocious mutant ants appear in the American desert southwest, and a father-daughter team of entomologists join forces with the state police officer who first discovers their existence, an FBI agent and, eventually, the US Army to eradicate the menace, before it spreads across the continent — and the world.

Charles Dexter Ward, a wealthy scientist, uses an ancient diary and human remains to begin a terrifying and bloody pursuit for immortality.

And suddenly, overnight, the world came to a halt. Two men, two survivors, one kid, and hatred that separates them. A place forgotten by everyone, including the creatures that inhabit the Earth... until now.

A baby alligator is flushed down a toilet and survives by eating discarded lab animals that have been injected with growth hormones. The now gigantic animal escapes the city sewers and goes on a rampage, pursued by a cop and a big-game hunter.

After the fall of civilization, the few survivors have been driven to cannibalism. A young man must confront a violent tribe that has murdered his father and stolen the medicine that keeps his girlfriend alive.

It is 1879 in the Dakota Territories, a band of men who set out to find and recover a family of settlers that has mysteriously vanished from their home. Expecting the offenders to be a band of fierce natives, but they soon discover that the real enemy stalks them from below.

In Arborville, California, three high school students try to protect their hometown from a gelatinous alien life form that engulfs everything it touches.