A prehistoric network of caves lies underneath Childersburg, Alabama. Originally known as Kymulga Cave, now called DeSoto Caverns, the impressive series of caves has played important roles in the history of local Indigenous cultures as well as Euro-American colonialism. The history of this cave system dates back to another era in Earth’s history. It sits within a bed of limestone that was deposited nearly 500 million years ago. The caverns themselves, which consist of a large central room and a number of smaller branching tunnels, formed about three million years…