HauntBound · Most Haunted Iowa · Overnight Investigations

Overnight Investigations in Iowa

Ranked from the documented sites in the Iowa index: 8 sites offering a bookable overnight paranormal investigation. Updated September 2026.

  1. Villisca Axe Murder House
    1. Villisca Axe Murder House Villisca · Other Dark Tourism Site · Family Comfort: Not Recommended

    Grants overnight or private investigation access (up to 10 hours). HauntBound identified three distinct published accounts at this documented site. Reported phenomena include apparitions and cold spots.

    Year-round· verified September 2026 Book this investigation
  2. Farrar Schoolhouse
    2. Farrar Schoolhouse Maxwell · Other Dark Tourism Site · Family Comfort: Low

    Grants overnight or private investigation access (up to 8 hours). HauntBound identified eight distinct published accounts at this documented site. Two later publications retell those accounts. Reported phenomena include apparitions and disembodied voices.

    Check for dates· verified September 2026 Check availability
  3. Edinburgh Manor
    3. Edinburgh Manor Scotch Grove · Asylum / Hospital · Family Comfort: Not Recommended

    Grants overnight or private investigation access (up to 12 hours). HauntBound identified five distinct published accounts at this former hospital site, across three kinds of published source. Five later publications retell those accounts. Reported phenomena include apparitions and disembodied voices.

    By appointment· verified September 2026 Check availability
  4. Malvern Manor
    4. Malvern Manor Malvern · Haunted House / Historic Home · Family Comfort: Low

    Grants overnight or private investigation access (up to 6 hours). HauntBound identified three distinct published accounts at this historic home, across four kinds of published source. One later publication retells those accounts. Reported phenomena include apparitions and cold spots.

    Check for dates· verified September 2026 Check availability
  5. Grand Opera House
    5. Grand Opera House Dubuque · Theater / Performance Venue · Family Comfort: High

    Grants overnight or private investigation access (up to 5 hours). HauntBound identified two distinct published accounts at this working theater. Three later publications retell those accounts. Reported phenomena include disembodied voices and phantom footsteps.

  6. 6. Historic Klondike Hotel (Manilla) Manilla · Haunted Hotel / Inn · Family Comfort: Moderate

    Grants overnight or private investigation access (up to 8 hours). An independent source record anchors this working hotel, with a history reaching back to 1897. Reported phenomena include a sensed presence and disembodied voices.

    Check for dates· verified September 2026 Check availability
  7. Pottawattamie Squirrel Cage Jail
    7. Pottawattamie Squirrel Cage Jail Council Bluffs · Prison / Reformatory · Family Comfort: Moderate

    Runs hosted after-hours investigations inside the building (up to 3 hours). HauntBound identified four distinct published accounts at this former prison. Two later publications retell those accounts. Reported phenomena include cold spots and disembodied voices.

    By appointment· verified September 2026 Check availability
  8. Granger House Victorian Museum
    8. Granger House Victorian Museum Marion · Museum / Historical Site · Family Comfort: Moderate

    Runs hosted after-hours investigations inside the building (up to 3 hours). HauntBound identified one distinct published account at this museum site, across three kinds of published source. Two later publications retell those accounts. Reported phenomena include apparitions and cold spots.

    Check for dates· verified September 2026 Check availability