The man who discovered Titanic's hulk at the bottom of the sea got a strange question: Did you find the Heart of the Ocean necklace given to Rose in the Oscar-winning movie? Amid the audience ...

COLUMBUS, Ohio — The RMS Titanic, heralded as the most luxurious ocean liner of its time, was built in Belfast, Ireland at a staggering cost of $7.5 million. It carried 2,230 passengers.