TITANIC'S FINAL MYSTERY: Author and historian Tim Maltin re-opens the case. Maltin has spent 20 years researching the Titanic tragedy and has uncovered evidence of a rare natural phenomenon that will forever change our understanding of the disaster. - Photo: Courtesy of Smithsonian Channel - Photo ID: smithsonian_titanic_01BldRisePlans

TITANIC'S FINAL MYSTERY: Author and historian Tim Maltin re-opens the case. Maltin has spent 20 years researching the Titanic tragedy and has uncovered evidence of a rare natural phenomenon that will forever change our understanding of the disaster. - Photo: Courtesy of Smithsonian Channel - Photo ID: smithsonian_titanic_02

TITANIC'S FINAL MYSTERY: Author and historian Tim Maltin re-opens the case. Maltin has spent 20 years researching the Titanic tragedy and has uncovered evidence of a rare natural phenomenon that will forever change our understanding of the disaster. - Photo: Courtesy of Smithsonian Channel - Photo ID: smithsonian_titanic_03

TITANIC'S FINAL MYSTERY: Author and historian Tim Maltin re-opens the case. Maltin has spent 20 years researching the Titanic tragedy and has uncovered evidence of a rare natural phenomenon that will forever change our understanding of the disaster. - Photo: Courtesy of Smithsonian Channel - Photo ID: smithsonian_titanic_04