All investigation claims

Midwest — Investigation claim filings

Investigation claims in Illinois

Illinois carries 20 investigation claims — findings asserted by paranormal groups who worked the ground. The archive files these as claims about an investigation, not findings about physics: who investigated, what they reported and what the record can confirm are three different lines in the same file.

20 dossiers0 counties covered75% open to visitorsMineral Springs Hotel — deepest file

Also filed investigation claim:New York22 Hawaii17 Michigan13 North Carolina12 Tennessee12 Kentucky10 Texas9 Arizona9

Other Illinois shelves:documented legends50 local folklore33 anecdotal reports21 media-reported hauntings4

High confidence

Mineral Springs Hotel

Alton, Illinois

Hotel associated with documented cultural history.

3 claims · 1 legend→

Iroquois Theatre site

Chicago, Illinois

December 30, 1903—the deadliest theatre fire in U.S. history.

2 claims · 1 legend→

St. Valentine’s Day Massacre site

Chicago, Illinois

February 14, 1929—the garage where seven men died.

2 claims · 1 legend→

Sag Bridge / Monk’s Castle

Lemont, Illinois

The bridge where the monks reportedly walk—the canal’s ghost.

2 claims · 1 legend→

Dunning / Read Mental Health

Chicago, Illinois

The poorhouse cemetery—where the unmarked graves were found.

2 claims · 1 legend→

Lincoln Tomb

Springfield, Illinois

The 1874 tomb—where the president rests with his family.

2 claims · 1 legend→

Chicago Theatre

Chicago, Illinois

The 1921 palace—the marquee that became the city’s symbol.

2 claims · 1 legend→

The Drake

Chicago, Illinois

The 1920 hotel—where the Lake Shore Drive dead stay.

2 claims · 1 legend→

Palmer House

Chicago, Illinois

The 1875 hotel—where Bertha Palmer’s lobby still shines.

2 claims · 1 legend→

Blackstone Hotel

Chicago, Illinois

The 1910 hotel—where the gangsters met.

2 claims · 1 legend→

Alton

Alton, Illinois

The river city—where the abolitionist died and the birds fly.

2 claims · 1 legend→

Bartonville State Hospital

Peoria, Illinois

The 1902 asylum—where the Kirkbride’s dead remain.

2 claims · 1 legend→

Tunnel Hill

Tunnel Hill, Illinois

The 1872 tunnel—where the train killed the workers.

2 claims · 1 legend→

Choate Mental Health

The 1869 asylum—where the "State Hospital" dead rest.

2 claims · 1 legend→

Nauvoo

Nauvoo, Illinois

The Mormon city—where the exodus began, 1846.

2 claims · 1 legend→

Rock Cut State Park

Caledonia, Illinois

Park associated with documented cultural history.

2 claims · 1 legend→

Green Lantern Road

Olney, Illinois

Road associated with documented cultural history.

Boy Scout Bridge

Claremont, Illinois

Bridge associated with documented cultural history.

Bellair Cemetery

Bellair, Illinois

Cemetery associated with documented cultural history.

Manteno State Hospital

Manteno, Illinois

The 1930 Illinois asylum whose town absorbed its patients—and whose tunnels still run.

Full Illinois record → state index· Every investigation claim filing → evidence shelf

Record last amended October 2, 2026 · shelves recounted with the archive