The story takes place in the Usher family mansion, which is isolated and located in a “singularly dreary tract of country.” The house immediately stirs up in the narrator “a sense of insufferable gloom,” and it is described as having “bleak walls,” “vacant eye-like windows,” and “minute fungi overspread [on] the whole exterior.”
The mental state of Usher in the story is described as unstable, and the narrator himself expresses that he seems to be getting affected by it.
"(She) fell heavily inwards upon the person of her brother, and in her violent and now final death agonies, bore him to the floor a corpse"
Strange or violent plot
"...terrestrial objects immediately around were glowing in the unnatural light
The whole story is set in a gloomy atmosphere with mysterious happenings and dark descriptions like "air of stern, deep and irredeemable gloom"
"a barely perceptible fissure, which, extending from the roof of the building in the front, made its way down the wall in a zigzag direction, until it became lost in the sullen waters of the tarn