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Open Image ModalIn this April 10, 1912 file photo, the liner Titanic leaves Southampton, England on her maiden voyage to New York City. (credit:AP )
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Open Image ModalFive days into her journey, the Titanic struck an iceberg and sank, resulting in the deaths of more than 1,500 people. (credit:AP)
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Open Image ModalThe Titanic leaves on her maiden voyage in this 1912 file photo. (credit:AP )
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Open Image ModalIn this April 1912 file photo, crowds gather around the bulletin board of the New York American newspaper in New York, where the names of people rescued from the sinking Titanic are displayed. (credit:AP )
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Open Image ModalAs a 2-month-old baby, Millvina Dean was wrapped in a sack and lowered into a lifeboat from the deck of the sinking RMS Titanic. Dean died in 2009. (credit:AP )
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Open Image ModalThis is an undated photo showing the bow of the Titanic at rest on the bottom of the North Atlantic, about 400 miles southeast of Newfoundland. (credit:AP )
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Open Image ModalThis April 2, 2010 image provided by RMS Titanic, Inc., shows the bow of the RMS Titanic on the ocean floor during an expeditions to the site of the tragedy. (credit:AP )
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Open Image Modal"Rust sickles," icicle-like structures of rust show the effect the years, underwater, have had as they obscure two portholes of the R.M.S. Titanic. (credit:AP )
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Open Image ModalThis is a view looking down on the deck of the R.M.S. Titanic between the number 2 and number 3 stack where the deck suddenly hinges downward at right towards the tear, at which point the stern separated from the rest of the ship. (credit:AP )
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Open Image ModalLarge icicle-like structures hang from the side of the Titanic. (credit:AP )
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Open Image ModalPipes and the captain's bathtub are shown in this July 2003 photo, of what remains of the captain's cabin on the Titanic more than two miles underwater in the north Atlantic. (credit:AP )
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Open Image ModalPlaques left behind by visiting expeditions, seen in this July 2003 photo, are positioned near the telemotor on the deck of the Titanic more than two miles underwater in the north Atlantic. (credit:AP )
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Open Image ModalThe giant propeller of the sunken Titanic lies on the floor of the North Atlantic in this undated photo. The propeller and other portions of the famed ship were viewed by the first tourists to visit the wreck site in September 1998. (credit:AP )
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Open Image ModalThis September 12, 2008 image provided by RMS Titanic, Inc., shows one of the propellers of the RMS Titanic on the ocean floor during an expedition to the site of the tragedy. (credit:AP )
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Open Image ModalThis September 1, 2009 image provided by RMS Titanic, Inc., shows a ships telegraph from the Titanic on the ocean floor during an expeditions to the site of the tragedy. (credit:AP )
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Open Image ModalThese lifeboat cranes were used to hoist the ship's wooden lifeboats over the side and into the water during Titanic's sinking. Many of the boats launched soon after the sinking were not close to full, as passengers refused to believe the seriousness of the situation. (credit:AP )
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Open Image ModalDebris litters the hull of the Titanic's stern, peeled outward by the force of the great ship's destruction. (credit:AP )
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Open Image ModalDr. Robert Ballard, best known for his discovery of the Titanic, is speaks at the Mystic Aquarium & Institute for Exploration in Mystic, Conn. in 2004. (credit:AP )
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Open Image ModalA bollard is illuminated by Alvin on the submerged hull of the sunken Titanic in 1986. Alvin is a manned submersible vehicle used during the exploration of the wreckage. (credit:AP )
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Open Image ModalThese portholes on a portion of the ship's hull looked into first class cabins on Titanic's C deck are a part of the "Titanic:The Artifact Exhibition" at the Metreon in San Francisco. (credit:AP )
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Open Image ModalA gold plated Waltham American pocket watch, the property of Carl Asplund, is seen in front of a modern water colour painting of the Titanic by CJ Ashford at Henry Aldridge and Son auctioneers in Devizes, Wiltshire, England Thursday, April 3, 2008. (credit:AP )
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Open Image ModalA girl plays next to a monument for the Irish immigrants to the United States, as she and her family waits in Cobh, Ireland, to greet disembarking passengers of the MS Balmoral Titanic memorial cruise ship at its first stop, Monday, April 9, 2012. (credit:AP )
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Open Image ModalA cruise carrying relatives of some of the more than 1,500 people who died aboard the Titanic nearly 100 years ago set sail from England on April 8, 2012 to retrace the ship's voyage, including a visit to the location where it sank. (credit:AP )
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Open Image ModalWearing period costumes, Bpassenger Jacki Free holds her daughter, name not given, as the MS Balmoral Titanic memorial cruise ship sails from Southampton, England. (credit:AP )
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Open Image ModalCarl Grant, 11, raises his hat to the media as people gather at Belfast Lough, Northern Ireland to a attend a religious service at the exact spot were the Titanic was launched 100 years ago. (credit:AP )