I’ve experienced several of these, including the haunted building. I notarized documents in/for a bar/tavern that was on the Historic Record, was over one hundred years old, and had been a brothel at one time. Before and after Prohibition it operated in some capacity. More than one person had been killed on the premises over the years and there were some strange goings on. Photos taken in the mirror showed things you didn’t know were there, and then weren’t; you looked up into the ‘brothel’ area and could sometimes hear and see odd things; and the crawlspace was a horror all its own!