Why the Victorian Mansion is a Horror Icon

Why the Victorian mansion is a horror icon is a screamer video made by American news and culture website, Vox.

The video explains to the viewer what made Victorian mansions scary for about 5 minutes, at the end, As soon as the narrator says "There's something not quite right with this house,", However, Pennywise from the IT Franchise appears along with a scream, ending the video.

Links
NOTE : The following video contains a screamer!
 * youtube.com/watch?v=2xvNhN1PsRw