Some creatures are mesmerizing, some are breathtakingly beautiful, and some are even adorable, but most are either scary or just unsettling. A lot of these alien lifeforms might look disturbing ...

A creature that is prominent throughout the entire Lord of the Rings trilogy, the Nazgl are ghost-like monsters that are constantly hunting Frodo, Samwise and the entire Fellowship.

Across the plethora of planets in the Star Wars galaxy, there are countless species that populate the universe. Some are adorable, like Ewoks and the Porgs. Others are pretty gross, like Jabba the ...

Photo: Wikipedia Commons A creature with no clothes While scary and menacing looking, the protruding teeth of the naked mole-rat are hardly deadly. They're used for digging.

Many of them once instilled real fear in medieval towns, when folklore reigned supreme and getting freaked out came easy. Here are some real science and history tales of the scary stars of Oct. 31.

But, as the video from Ring shows, sometimes the scariest creatures on offer this Halloween won't be found on sale in any store.

While it tells a compelling and dark vampire tale, the 1997 film adaptation of "The Night Flier" brought King's nightmare-inducing creature to life, leaving a lasting impression on audiences.

Many of them once instilled real fear in medieval towns, when folklore reigned supreme and getting freaked out came easy. Here are some real science and history tales of the scary stars of Oct. 31.