The RMS Titanic's wreckage is discovered by Dr. Robert Ballard's team, who use advanced technology to locate, photograph, and explore the ship's remains 2 1/2 miles deep in the Atlantic Ocean.
National Geographic Video: Secrets of the Titanic
In the dark depths of the Atlantic Ocean, a team of researchers, led by Dr. Robert Ballard, ventures to the wreckage of the RMS Titanic, which sank in 1912, to uncover its secrets.