| Source | WTTW |
|---|---|
| Original Load Date | Sept. 10, 2026, 9:01 p.m. |
| Last Updated | Sept. 10, 2026, 9:01 p.m. |
| Original URL | https://news.wttw.com/2026/09/10/50-ton-prehistoric-boulder-was-unearthed-o-hare-contest-name-it |
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Crews have been moving a lot of earth during the [ construction of a new
concourse ][1] at O’Hare Airport. What they didn’t expect to excavate was a
50-ton piece of ancient history.
A massive boulder — 11.5 feet wide, 8 feet deep and 7.5 feet tall —was recently
discovered 30 feet below the airfield...