In terms of tourist attractions, Indiana doesn't receive quite as much acclaim as neighboring Midwestern states. But far from being a mere thoroughfare to Chicago, the Hoosier State has plenty of ... MSN: One Of Indiana's Most-Visited Natural Attractions Is An Underground World Of Wonders Unlike Other Caves One Of Indiana's Most-Visited Natural Attractions Is An Underground World Of Wonders Unlike Other Caves If you’re like me, and you find yourself pulling over for the odd and unusual, you won’t be surprised to hear that the Roadside attractions Indiana travelers stumble upon are some of my favorites.

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