So what do you think? Ghosts? Condensation? Ground vibrations? Aliens? Watch the video and draw your own conclusions!

According to new research, North Dakota is ranked pretty high in being one of the most haunted states in the country.

A British castle said to be haunted by a ghost named Betty is on the market – for $6 million. Get any of our free email newsletters — news headlines, sports, arts & entertainment, state legislature, ...