Firstly, this is more of a question pertaining to the existence of a spirit once their place of haunting is destroyed. But I will include the back-story...
My family formerly owned a property on Lake Muskoka in Ontario that was known by several extended family members and old family friends to have been haunted by my father's mother who died in 1968. Part of the house was over a hundred years old (the rest built in the 1950s) and the property had been owned by the family since the early 1900s. It was the favorite place of my grandmother who had spent her whole life visiting there until she passed away.
From the early 1970's onward, numerous people, including two of my three aunts (my father's sisters), physically saw the ghost of their mother, on numerous occasions, in what we called "the third bedroom" sitting on the bed and also in the kitchen. They also said they could feel some sort of "connection" when the spirit was present.
My great-aunt (the spirit's sister) claims to have sat next to the spirit on one of the couches in the main living room during one of the big parties in the summer and to have strongly felt her presence while visiting the house. My grandfather's mistress also claimed to have experienced the spirit while sitting in an antique rocking chair and being quite violently shoved out of it while she was visiting at some point.
These people are (mostly) "normal" individuals who are not the types to fabricate stories such as these and, therefore, I cannot help but believe them to be true to some extent. Personally, I never experienced or saw anything involving this spirit, nor did either of my parents, my brother, or any of our guests during our times there as far as I'm aware.
A few years after my grandfather's passing, around 2001, my father and his sisters decided to sell the property. The new owners tore the old house down and built a new house on roughly the same spot. The property has since been bought and sold twice.
My question is, what would have happened to the spirit of my grandmother? Would it be likely that she is still there, attached to the property? Or, would she have simply disappeared once the original house was torn down?
I've not really had much of a chance to discuss this with anyone (my parents don't really believe in these things), but I'm very fascinated by it. I still have quite an attachment to the old property and I still visit the area about once a year and every time I see it, I get very drawn-in and curious. I really miss the place, but I don't miss trying to go to sleep at night in "the third bedroom" after hearing about all these experiences!