The Kaskaskia Trail

Historical marker location:

4480 Raleigh Road, Eldorado, Illinois

( Marker is on Eldorado Road west of Wolf Creek Road, on the right when traveling west.)

The world's first skyscraper, the Home Insurance Building, was built in Chicago in 1884. It was only 10 stories tall, but it was the first building to use a steel frame to support its weight, which allowed it to be much taller than traditional buildings made of brick or stone.