Click to expand: Conrad Wise Chapman made this contemporary painting of the H.L. Hunley.
courtesy Museum of the Confederacy
Click to expand: The location of the crew's remains are depicted in this digital image. They were at or near their stations, showing no signs of panic.
courtesy friends of the hunley
In 2013, researchers uncovered new evidence pertaining to the final moments of a Civil War submarine.
College students help recover two cannons from Blackbeard's sunken ship off the North Carolina coast.
CNN's Anna Coren visits the wreckage of the Cheonan warship, sunk by a North Korean torpedo in 2010.
Low Missouri river levels reveal the Montana, a sunken ship from 1882.