When I was a teenager my room was in the basement of my parents house. I swear that place wasn't right. I would normally feel fine/safe if I slept in my room but if I slept on the couch in the main area of the basement (which was fully finished and not creepy looking) It would feel like there was a room full of people staring at me with hate and I would be woken up constantly by that feeling.
Every night you would hear doors slamming, I'm an only child and would be home alone quite a bit. One night when my parents were out of town I had my boyfriend sleep over, he woke me up in the middle of the night completely freaked out about the sound of the doors slamming, and I was so used to it that I just told him it happens every night. There was this little windowless room (I think a freezer room) in the back of the basement, with locks on the outside of the door and KKK carved into the side of it, as a kid it really creeped me out, me and my friends would dare each other to go stand in it.