Dr. Bob Ballard explores the histories and the final resting places of famous 20th-century passenger liners, including the Titanic, the Lusitania, and the Empress of Ireland.Dr. Bob Ballard explores the histories and the final resting places of famous 20th-century passenger liners, including the Titanic, the Lusitania, and the Empress of Ireland.Dr. Bob Ballard explores the histories and the final resting places of famous 20th-century passenger liners, including the Titanic, the Lusitania, and the Empress of Ireland.
