The LaLaurie House is considered one of the most haunted houses in the French Quarter in New Orleans, Louisiana. It is said that the original lady of the house was extremely cruel to her slaves. She was apparently responsible for the death of a slave girl and many of the slaves were found living in deplorable conditions. The house exchanged hands multiple times with few staying more than a few scant weeks or months.
38 Real Haunted Houses and the Stories behind Them