Historic Sites

Forts & Military Sites

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Apple River Fort

Elizabeth, Illinois

The war, which lasted only 16 weeks, ended the threat of Indian attacks in the area and...
Fort De Chartres

Prairie du Rocher, Illinois

This site marks the location of the last of three successive forts named “de Chartres”...
Fort Kaskaskia

Ellis Grove, Illinois

Founded in 1703, the town was for more than a century the region’s principal...