When it comes to historical mysteries, Texas offers numerous long-perplexing conundrums for readers. Several of the Lone Star State's enduring legends are associated with historical figures including Davy Crockett, Billy the Kid, John Wilkes Booth, the outlaws Sam Bass and Bill Longley, and the pirate Jean Lafitte. Lost mines and buried treasures are also a long-standing part of Texas history and lore, and the location of several of these riches...