Study claims to solve mystery behind infamous 'Chicago Rat Hole'

Study Claims to Solve Mystery Behind Infamous 'Chicago Rat Hole'

A recent study published in Biology Letters may have solved the mystery of the infamous "Chicago Rat Hole" on the sidewalk.

Scientists believe that the outline is not of a rat, but more likely a squirrel, based on the measurements of the imprint.

The Chicago Rat Hole was located near Roscoe Street and Damen Avenue before it was removed.

The mystery of that infamous "Chicago Rat Hole" on the sidewalk may be solved!

Author's summary: Scientists solve Chicago Rat Hole mystery.

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ABC7 News ABC7 News — 2025-10-15