Next year marks a century since the unsinkable ship sank, and travel operators are making the most of it. While two cruises are set to trace the ill-fated voyage’s exact journey in 2012, Kensington Tours will go a step further and take customers on a submarine trip from Newfoundland to the Titanic’s remains. However, some relatives of passengers that died on the Titanic have complained that making the wreck into a tourist attraction is insensitive.