Titanic

Did Titanic have a fatal design flaw? John Chatterton and Richie Kohler of "Deep Sea Detectives" dive the wreckage of her sister ship, Britannic, to investigate the possibility.

To mark the 100th anniversary of Titanic's sinking, experts took part in an exhaustive study of the wreck that yielded unprecedented new discoveries and the first comprehensive map of Titanic's watery grave.

With 1,522 of her passengers dead, inquiries into the Titanic's sinking were intense and painful. Explore the post-sinking investigation and later efforts to locate her wreckage on the ocean floor.

The construction of the "unsinkable" Titanic in Belfast required an army of workers and the resources, facilities, and unique docks of a purpose-built and long forgotten "Titanic Town."

When the top-of-the-line Titanic was built, it was a dream come true. Discover how the dream turned into a nightmare, and evaluate why the crew ignored warnings of impending danger.

HMHS Britannic, sister ship of the ill-fated Titanic, met her own untimely end in the Aegean Sea in 1916. Whether a German mine or a submarine torpedo sank her, a bigger mystery remains: Why did the giant ship sink so fast?

The Creative Arts team has just 65 days to recreate the grand staircase from the most famous ship of all time, putting their equipment and wood-working skills to the test.

Did too few lifeboats and cost-cutting materials plus pressure from the owner to travel at full speed bring about the Titanic disaster? And why did the Italian liner Andrea Doria collide with another vessel?