Mark Lee Gardner performs a ballad about Billy the Kid during his interview for the film.
It was the largest fire in American history: by the time it was all over, more than three million acres had burned and at least 78 firefighters were dead.
A look at JFK's assassination by Lee Harvey Oswald and the subsequent investigations that lead to a widespread loss of trust in government institutions.
A revealing portrait of one of America's most paradoxical leaders.
Martha Ballard was a midwife and mother in Maine following the American Revolution.
During the Great Depression, Americans built the Hoover Dam, one of the greatest engineering works in history.
A biography of the last outlaws of the American Wild West
P.T. Barnum -- huckster, con man, promoter, entertainer and founder of "The Greatest Show on Earth".
Thoroughbred racehorse Seabiscuit was the long shot that captured America's heart during the Depression.