The on-screen collaborations of director John Ford and legendary Western star John Wayne are the subject of the show's 20th season premiere episode.
Nat King Cole was one of the first Afro-American entertainers to have a broad crossover appeal with white audiences.
The story of folk singer Woodie Guthrie, focusing on his impact on the American scene during the Great Depression.
Marilyn Monroe rose from humble beginnings to become a sex symbol for her times but it all ended in tragedy. Her story is recounted here.
Walter Cronkite was a CBS newscaster who witnessed a multitude of great historical events but also set the standard for biased journalism.
The life of artist Andy Warhol and his impact upon popular culture.
Architect Frank Gehry and his influence are the subjects of this episode's profile.
Annie Leibovitz was an innovative photographer. Her life and work are the subjects of the 20th season finale.