Timeline of United States discoveries exhaustive searching, it was in 1984 that world headlines were made when American archeological explorer Barry Clifford found the only solidly-identified pirate shipwreck ever discovered, the "Whydah". Two-hundred thousand artifacts and sunken treasures were discovered in the shipwreck as well. 1985 Puck 1985 RMS "Titanic" wreckage The RMS "Titanic" was an "Olympic" class passenger liner owned by the White Star Line and was built at the Harland and Wolff shipyard in Belfast, in what is now Northern Ireland. At the time of her construction, she was the largest passenger steamship in the world. Shortly before midnight on April 14, 1912,
Wreck of the RMS Titanic previously unseen pieces of wreckage, and led to the documentary "Titanic's Final Moments: Missing Pieces". RMS Titanic Inc. mounted further expeditions to "Titanic" in 2004 and 2010, when the first comprehensive map of the entire debris field was produced. Two autonomous underwater vehicles – torpedo-shaped robots – repeatedly ran backwards and forwards across the debris field, taking sonar scans and over 130,000 high-resolution images. This enabled a detailed photomosaic of the debris field to be created for the first time, giving scientists a much clearer view of the dynamics of the ship's sinking. The expedition encountered difficulties: several hurricanes passed