This top 11 list of strange and mysterious videos you have to see because I take a look at unexplained footage of the scariest things found while exploring places that may be haunted, mysterious videos full of strange activity that cannot be explained like ghost sightings while exploring abandoned hospitals, unexplained CCTV footage of objects moving from poltergeist activity, weird things caught on tape during paranormal investigations that need debunking, strange sightings in the sky, and othe