2. The Winchester Mystery House, San Jose, California
The Winchester Mystery house was owned by Sarah Winchester, the widow of William Wirt Winchester, businessmen who sold guns. The mansion is an imposing structure because of its sheer size but is also haunted by ghosts, which, even Sarah herself claimed, were of those killed by the guns they sold.
3. The Drumbeg Manor, Donegal County, Ireland
The Drumbeg Manor is said to be the most haunted house not only in Ireland, but in the entire continent of Europe. It is home to strange and other-worldly events, including apparitions of a man in white suit pacing its halls. A woman can also be heard screaming.