I saw a man in my parents' house a few times. He hangs around the upstairs hallway and is just generally curious about what everyone is doing. When I still lived there and was wallpapering what was to be my room after my parents bought the house, the man would just not leave me alone. He kept popping into the hallway to see what I was doing, but whenever I looked up at him, he ducked into other rooms in the hall. When I didn't see him, there were footsteps and I thought I heard whispers. My parents started to make fun of me in very nasty ways. They thought my imagination was just running away with me. When my grandmother came to visit, she knew I was nervous about going to the new house alone and came with me when I was doing some work. While there, the noises picked up. I turned to my grandmother and said, "You heard that, right?" She said, "Oh, yes. I most certainly heard that." I said, "So, I'm not crazy?" She said, "Oh, you are definitely not crazy." The guy was non-threatening, but didn't seem to have a concept of personal space. In the attic, however, was something I never saw, but felt. It was something very nasty.
Our first apartment was in a late eighteenth/early nineteenth century house that had been converted to apartments. We lived on the second floor, but the third floor had been untouched. The rooms were as they had always been, and we were allowed to use those rooms as storage space. I refused to use the room directly above our apartment. There was something definitely wrong with that room. Not only did it look visibly darker (due to the tree outside of the window, most likely), but there was something about it that warned me to never, EVER go in there. There was something very threatening about it. I know it sounds melodramatic, but the room felt evil. A few weeks after we moved in, I started hearing very heavy, very definite footsteps coming from that room around 3am, and sometimes during the late afternoon.
In our current house, one morning I woke up and looked through the open bathroom door and saw a little boy, maybe 4 years old, with brown hair walk into the bathroom and disappear. It was the clearest I've ever seen. I sat there trying to figure out if I wasn't quite awake and am just seeing things (I do have visual anomalies when tired), or if I really saw something. And in case you are wondering, yes, I do have children, but one is blond and one is a redhead. The little boy I saw had very dark brown hair. Occasionally I'll feel like one of my kids has walked up behind me, or will be brushing my hair and see what I assume is one of my kids appear out of the corner of my eye and I turn to talk to them, and there's no one there.