Often in gothic novels there's a large house, an estate, and it's symbolic of that culture. Usually it's sort of moldering or rotted or something, and sometimes it's a whole community.
It's rare that we actively and consciously 'forget'; most of the time we have simply forgotten, with no consciousness of having forgotten. In individuals, the phenomenon is called 'denial'; in entire cultures and nations, it's usually called 'history.
I wrote a novel called "Blonde," which is about Norma Jean Baker, who becomes Marilyn Monroe, which I called a fictitious biography. That uses the material as if it were myth - that Marilyn Monroe is like this mythical figure in our culture.
