The Garth Woodside Mansion in Hannibal, MO is reportedly haunted by various entities, with visitors experiencing phenomena such as phantom pipe smoke, flickering lights, and whispers, particularly in the Samuel Clemens Room. Guests have reported seeing apparitions, including a friendly female ghost on the stairs, adding to the mansion's atmosphere of history and mystery, which is further enhanced by its 1871 construction and Victorian-era architecture. Guests have reported smelling pipe smoke, which is attributed to the mansion's connection with Mark Twain, who was a frequent visitor. Lights are said to flicker, creating an eerie and unsettling atmosphere. Disembodied whispers have been reported, especially in the Samuel Clemens Room. Some guests have described seeing figures, including what they perceived as a friendly female ghost ascending the staircase and disappearing around a corner. Built in 1871: The mansion is an elegant example of Victorian architecture, built by wealthy local businessman John Garth.