Civil War submarine reveals more clues, human remains

The Civil War era submarine H.L. Hunley finally saw its crew compartment opened recently after nearly 130 years. Since discovery of the submarine back in 1995, researchers have taken the painstaking work of restoring the vessel. Despite this recent progress, nobody knows how the submarine sank all those years ago, but the hope is that research will lead us to a conclusion.

Civil War submarine reveals more clues, human remains