With that said, our friends at Curbed Chicago recently had a map of "Chicago's Most Terrifically Terrifying Hautings". For those seeking some paranormal activity in the Sloop, you're in luck - The Congress Plaza Hotel (520 S. Michigan), Marshall Field Mansion (1919 S. Prairie) and The Glessner House Museum (1800 S. Prairie) have all made the cut (put intended).
Our favorite explanation was for the Glessner House:
UPDATE: Glessner House Museum clarifies in the comment section:
Ummm, we don’t claim anything of the sort at Glessner House Museum. And actually, Richardson died in Boston before they even broke ground on the property (he died in April of 1886, they started construction in June 1886). So nothing they’ve stated is accurate.