Indiana Is Hiding Something Nobody Talks About...

Indiana's geography is stranger than you think. The Empire State Building, the Pentagon, and 35 state capitols were built from Indiana limestone. In southern Indiana, a river disappears underground for 23 miles through a cave system surrounded by 1,022 sinkholes in a single square mile. On Palm Sunday 1965, 137 people were killed by tornadoes across the state. And beneath Indiana's southern border, two seismic zones — the Wabash Valley and New Madrid — make it one of the most earthquake-vulnerable states east of the Rockies. These are 25 facts about Indiana nobody talks about. Subscribe for more geography that actually surprises you. We are Unreal Earth.