Famous for taking on topics like race, addiction and sexuality, groundbreaking comedian Richard Pryor walked the thin line between comedy and tragedy, both on stage and off.

Paul Walker's family and friends remember his adrenaline-filled life and legacy, from films including "The Fast and the Furious" franchise to his humbleness in giving back.

From the Montgomery bus boycott to the March on Washington and everything in between, Dr. Martin Luther King Jr.'s experiences, legacy and movement at large live on.

A trailblazer in the world of stand-up, Sam Kinison lived a life that ranged from the restrained to the excessive, the comic to the tragic, the sublime to the ridiculous.

From the time he burst into Hollywood to his shocking and unexpected death, Heath Ledger caught many of his most memorable moments in never-before-seen personal footage.

Following his father's assassination, John F. Kennedy Jr. faced enormous public scrutiny throughout his life leading up to his fatal plane crash.

As a comedic genius and one of the iconic figures in the storied history of "Saturday Night Live," everything Chris Farley did, he did past its limits.

Dale Earnhardt's closest friends and family share unique insights and rare peeks into the life of the beloved car-racing legend.

The "King of Cool," Steve McQueen skyrocketed from an everyday small-town thug to an Academy Award-winner, the highest paid and most sought-after actor of his generation.

Evel Knievel's rise from small-town rebel to daredevil superstar was built on nerves of steel and the ability to push the limits no matter the severity of the fall.

Transcending his work in the entertainment industry, Bruce Lee introduced the Western world to Eastern martial arts.