Overnight Investigations in Ohio
Ranked from the documented sites in the Ohio index: 9 sites offering a bookable overnight paranormal investigation. Updated September 2026.
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Grants overnight or private investigation access (up to 9 hours). HauntBound identified two distinct published accounts at this former prison, across five kinds of published source. Four later publications retell those accounts. Reported phenomena include apparitions and cold spots.
Seasonal: Nov 15 to Dec 15· · verified September 2026Seasonal: March 1 to Aug 31; Nov 15 to Dec 15 -
Grants overnight or private investigation access (up to 7 hours). HauntBound identified five distinct published accounts at this former hospital site, across six kinds of published source. Five later publications retell those accounts. Reported phenomena include disembodied voices and shadow figures.
Check for dates· · verified September 2026 Check availability -
Grants overnight or private investigation access (up to 4 hours). HauntBound identified four distinct published accounts at this historic home, across three kinds of published source. Two later publications retell those accounts. Reported phenomena include apparitions and disembodied voices.
Check for dates· · verified September 2026 Check availability -
Grants overnight or private investigation access (up to 12 hours). Three independent sources document this documented site, with a history reaching back to 1937, and three independent books, broadcasts, or markers cover its reports. Reported phenomena include disembodied voices and electrical anomalies.
Check for dates· · verified September 2026 Check availability -
6. Fairfield County Infirmary Lancaster · Other Dark Tourism Site · Family Comfort: Low Visits by guided tour onlyGrants overnight or private investigation access (up to 8 hours). Three independent sources document this documented site, with a history reaching back to 1828. Reported phenomena include apparitions and cold spots.
Check for dates· · verified September 2026 Check availability -
Grants overnight or private investigation access (up to 6 hours). Four independent sources document this documented site, with a history reaching back to 1889. Reported phenomena include apparitions and cold spots.
Year-round· · verified September 2026 Book this investigation -
Grants overnight or private investigation access (up to 16 hours). Four independent sources document this working hotel, with a history reaching back to 1918. Reported phenomena include apparitions and electrical anomalies.
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Runs hosted after-hours investigations inside the building (up to 3 hours). HauntBound identified two distinct published accounts at this operating restaurant and bar, across five kinds of published source. One later publication retells those accounts. Reported phenomena include apparitions and cold spots.
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Runs hosted after-hours investigations inside the building (up to 5 hours). HauntBound identified four distinct published accounts at this working theater, across five kinds of published source. Six later publications retell those accounts. Reported phenomena include apparitions and disembodied voices.
By appointment· · verified September 2026 Check availability