Overnight Investigations in Washington
Ranked from the documented sites in the Washington index: 4 sites offering a bookable overnight paranormal investigation. Updated September 2026.
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1. St. Ignatius Hospital Colfax · Asylum / Hospital · Family Comfort: Low Visits by guided tour onlyGrants overnight or private investigation access (up to 4 hours). HauntBound identified six distinct published accounts at this former hospital site, across five kinds of published source. Two later publications retell those accounts. Reported phenomena include apparitions and cold spots.
By appointment· · verified September 2026 Check availability -
2. Walker-Ames House Port Gamble · Haunted House / Historic Home · Family Comfort: Low Visits by guided tour onlyRuns hosted after-hours investigations inside the building (up to 3 hours). HauntBound identified six distinct published accounts at this historic home, across three kinds of published source. Reported phenomena include apparitions and disembodied voices.
Check for dates· · verified September 2026 Check availability -
Runs hosted after-hours investigations inside the building (up to 3 hours). Four independent sources document this museum site, with a history reaching back to 1902. Reported phenomena include disembodied voices and objects moving.
Check for dates· · verified September 2026 Check availability -
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 1958. Reported phenomena include electrical anomalies.