Haunted Cincinnati?

Okay me and my friends are wanting to go out for a real scary night but of course dont want to have to pay to go to a fake huanted place ...... if you happen to know any real haunted places that we can go to "THATS FREE" can you please list them ... we went to a place called amy last night but i heard that wasnt even a tru story so where is the fun in that SO IF YOU KNO ANY OTHER INFO ON AMY CAN YOU ALSO LET ME KNO THANK YOU