Spelunkers, rejoice! While you might not think the rolling prairies of Illinois would have any caves, there are some great ones to explore. So strap on your hiking shoes and headlamps–because there’s some exploring to do.

1. Blackball Mine Cave (Blackball Mine, IL)
USFWSmidwest/Flickr
2. Cave in Rock (Cave in Rock, IL)
David Wilson/Flickr
3. Rimrock Cave (Sparks Hills, IL)
Curtis Abert/Flickr
4. Stoneface Boulder Cave (Somerset, IL)
Curtis Abert/Flickr

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5. Cave at Mississippi Palisades State Park
Thomas Anderson/Flickr
6. Shaky Shelter Site (Deer Park Township)
Teemu008/Flickr
7. Cave in St. Louis Canyon (North Utica)
Richie Diestersheft/Flickr
8. Cave in Herod, IL
Cody Allison/Flickr

Know of any other great caves in Illinois? Let us know in the comments.

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