Marine explorer Robert Ballard, a professor of oceanography at the University of Rhode Island, commemorates the 100th anniversary of the sinking of the Titan...
The Titanic Discovery: Professor Robert Ballard
ghosts of the black sea
Lost Liners (2000)
Secrets Of The Dead - Quest For Noah's Flood
Titanic's Lost Sister - History Documentary
Robert Ballard: Exploring the ocean's hidden worlds
Robert Ballard on Global Warming: It's too late