An all-day bus tour today will offer an in-depth look at some of the oldest Native American sites in Illinois.   The tour begins and ends at the Cahokia Mounds State Historic Site, but assistant site manager Bill Iseminger says guests will see many more sites around the region.

Click here for Iseminger's comments

Iseminger says visitors will be able to get out and explore some of the sites, which predate European settlement of Illinois by several centuries. The tour follows a route once taken by archaeologist Greg Perino, who researched the area for more than 50 years.

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