It sank 111 years ago Saturday, but we can't forget the RMS Titanic. History's most famous ship slipped beneath the North Atlantic at 2:20 a.m. on April 15, 1912, but we continue to explore its maiden voyage, iceberg, sinking and undersea decay through a seemingly endless stream of photographs, books, documentaries and movies, and museum exhibits. But why are people drawn to Titanic? Find out in the link in @usatoday’s bio. 📸: @afpphoto