Titanic: A Remembrance

On April 15, 1912 the RMS Titanic met its tragic end and sank to the bottom of the North Atlantic. 73 years later, oceanographer Robert Ballard and his team discovered the famed liner's remains. Dr. Ballard, a National Geographic Explorer-in-Residence, describes how he gathered support to find the Titanic, the moment of its discovery, and the mission to preserve its legacy.