In his book "Dead Wake: The Last Crossing of the Lusitania," author Erik Larson describes a series of extensive travels he undertook for research purposes. His journey encompassed diverse locations, reaching as far north as Thorsminde, Denmark, during February, and as far south as Christopher Newport University in Virginia. Larson also traveled westward to the Hoover Library at Stanford University, showcasing his dedication to uncovering historical details.

Additionally, his explorations included significant archival visits in various eastern and European cities, such as the renowned Library of Congress and the U.S. National Archives. He also delved into rich historical resources in London, Liverpool, and Cambridge. These varied locations reflect Larson's commitment to thoroughly investigating the Lusitania's tragic story and providing readers with a well-rounded narrative.