HauntBound · Most Haunted Wisconsin · Overnight Investigations

Overnight Investigations in Wisconsin

Ranked from the documented sites in the Wisconsin index: 6 sites offering a bookable overnight paranormal investigation. Updated September 2026.

  1. Old Baraboo Inn
    1. Old Baraboo Inn Baraboo · Haunted Dining / Bar · Family Comfort: Low

    Grants overnight or private investigation access (up to 10 hours). HauntBound identified seven distinct published accounts at this operating restaurant and bar, across three kinds of published source. Eight later publications retell those accounts. Reported phenomena include apparitions and cold spots.

    Check for dates· verified September 2026 Check availability
  2. Brumder Mansion
    2. Brumder Mansion Milwaukee · Haunted Hotel / Inn · Family Comfort: Moderate

    Grants overnight or private investigation access (up to 12 hours). HauntBound identified one distinct published account at this working hotel, across three kinds of published source. Reported phenomena include apparitions and cold spots.

    Check for dates· verified September 2026 Check availability
  3. Berlin Sanctuary
    3. Berlin Sanctuary Berlin · Other Dark Tourism Site · Family Comfort: Low

    Grants overnight or private investigation access (up to 12 hours). Three independent sources document this documented site, with a history reaching back to 1908. Reported phenomena include disembodied voices and electrical anomalies.

    Check for dates· verified September 2026 Check availability
  4. 4. Sheboygan County Health Care Center (Sheboygan Haunted Asylum) Sheboygan Falls · Asylum / Hospital · Family Comfort: Low

    Runs hosted after-hours investigations inside the building (up to 3 hours). HauntBound identified three distinct published accounts at this former hospital site, across three kinds of published source. One later publication retells those accounts. Reported phenomena include cold spots and disembodied voices.

    Check for dates· verified September 2026 Check availability
  5. Hanchett-Bartlett Homestead
    5. Hanchett-Bartlett Homestead Beloit · Museum / Historical Site · Family Comfort: High

    Runs hosted after-hours investigations inside the building (up to 3 hours). Three independent sources document this museum site, with a history reaching back to 1857. Reported phenomena include a sensed presence and apparitions.

    Check for dates· verified September 2026 Check availability
  6. Galloway House and Village
    6. Galloway House and Village Fond du Lac · Museum / Historical Site · Family Comfort: High

    Runs hosted after-hours investigations inside the building (up to 3 hours). Three independent sources document this museum site, with a history reaching back to 1880. Reported phenomena include apparitions and disembodied voices.

    Check for dates· verified September 2026 Check availability
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