Southern Indiana Is Hiding Something Most Americans Never Notice

Southern Indiana isn't just cornfields and flat highways. Beneath its hills lie thousands of sinkholes, a river that vanishes underground for over 20 miles, ancient coral reefs exposed in the Ohio River, and limestone quarries that built the Empire State Building and the Pentagon. After nearly four decades teaching American geography retired professor Amos Whitaker uncovers 25 remarkable geographic facts about Southern Indiana that even lifelong Hoosiers rarely know from vanishing rivers and earthquake zones to a utopian town, a buried coal basin, and the world's largest dome once hidden in the hills. 🔔 Subscribe for more deep dives into America's forgotten geography. 💬 Which fact surprised you the most? Let me know in the comments. #SouthernIndiana #Geography #Indiana #Karst #HoosierNationalForest #AmosWhitaker