This house stood on the Nakoda Stoney Nation west of Calgary overlooking the Bow River. It was left there after the movie but the locals vandalized it and eventually burned it to the ground.
The 'fall' refers to both house actually caving in on itself and being destroyed and that the both last living descendants of the family name Usher (Roderick and Madeline) die.
Usually this is the result of a heavy rainfall in an area that usually doesn't get much rain (in Southern California). Soil becomes mud, and mud is slippery. There can be other types of erosion that...
