You're traveling through another dimension, a dimension not only of sight and sound, but of mind,

a journey into a wondrous land whose boundaries are that of imagination.

Your next stop, the Twilight's on. Within the classic horror genre, there is a subgenre of film called The Old Dark House Film.

And it's one of those subgenres that's a little loose in some areas and people

will debate which film was actually the first in that category but generally speaking an old

dark house film will share one or some of several tropes. The first one is a given.

It's usually set in an old dark house or at least one spooky location.

And the genre actually originated on stage with plays like The Cat and the Canary in 1922. So they needed to be in one place, so it was easy to produce

on the stage.

Next, a group of people come to the house.

Sometimes they are invited, but they don't really know why.

Sometimes they appear to be there at random or by accident.

But actually, they're not. But sometimes they are genuinely there by chance.

Sometimes the people who gather will know each other, sometimes they won't, but often there is some kind of connection between them,

even if it's not immediately apparent.

In many cases the thing that can be traced to them all in some way

is the host, the person who has brought them all together for some reason.

And that ties into another recurring trope,

an element of mystery.

Why are all these people here?

And what does this mysterious host intend to do with them?

The film that gave the sub-genre its name is the

...