Its not impossible. I know I've seen this stuff happen, my sisters seen this kind of stuff happen.
I lived in a house that could turn the strongest non believers into fearers of the un-dead roaming whatchamacallits.
Except there's
always a logical explanation for things. Un-dead creatures cannot roam, as there's no such thing. Are you really suggesting that a door moved without a cause, breaking physical laws? Also, seeing things isn't evidence. Humans see what they want to.
What kind of house you live in just wondering, and how new is it?
It's been around for a century or so. Why?