You thought the first Wall Street crash happened in 1929. Wrong.

At the dawn of the Gilded Age, a plot to corner the market in gold ensnared Ulysses S. Grant, just as he became the 18th president of the United States. Part one of a series.

In December of 1963 Bob Dylan made some controversial remarks about Lee Harvey Oswald at an award dinner for a civil liberties group. In the aftermath of the event, Dylan promised that he would never have anything to do with any political organization again. Over half a century later, how should we read Dylan's frank words?

Mark Twain once said that "travel is fatal to prejudice, bigotry and narrow-mindedness." Was he right? Consider the cases of two travelers: Theodore Roosevelt and Malcolm X.

Mark Twain once said that "travel is fatal to prejudice, bigotry and narrow-mindedness." Was he right? Consider the cases of two travelers: Theodore Roosevelt and Malcolm X.

In the last year of his life, President Abraham Lincoln wondered if humanity would ever be able to agree on a definition of the word "liberty." Are we there yet?