Prow of the Titanic
Photograph by Emory Kristof, National Geographic
A submersible's lighting gives a ghostly glow to the rusted prow of the R.M.S. Titanic. The famed ocean liner, which sank after hitting an iceberg in April 1912, was discovered in 1985 near Newfoundland under some 12,500 feet (3,800 meters) of water.