A new documentary reveals the incredible results of a project to create 3D underwater scans of the doomed ocean liner RMS Titanic, which sank 113 years ago.

National Geographic has revealed the 'digital resurrection' of the Titanic in the form of 'an exact digital twin'

David Muir shares details on the new National Geographic special and the minute-by-minute timeline the team reconstructed from the first-of-its-kind full-size 3D rendering of the ship's wreckage.