A lake can hold many secrets underneath her deep murky veil of water. When the water level is low and the the lake pulls back her veil for a moment, we can get a glimpse into that secret world - and it's often a glimpse into history. Underneath the lakes of the Tennessee Valley lie flooded places that people once called home. There were farms, homes, schools, churches, and graves. What happened to those places in the Tennessee Valley when the lakes were formed? Come with me down another rabbit hole and see what secrets the lakes hold. Flooded graves in the Tennessee Valley: a rare look when the water level is low.