Who Do You Think You Are?

As someone who has made history on her own, Vanessa Williams ("Desperate Housewives") sets out on a journey to find out if her ancestors were also trailblazers. Her search leads her to the National Archives in Washington, D.C. and to South Carolina where she finds ancestral ties to the Civil War's Union Army. She also heads to the South and discovers an ancestor who was an educator in a time when many African-American southerners did not have the opportunity to receive an education.

Tim McGraw started his life with no idea who his father was, but later found and forged a close bond with his biological father, baseball player Tug McGraw, before his death. Determined to learn more about his paternal line, Tim's journey leads him to descendants who were among the first settlers in the United States. In his search he discovers an industrious ancestor with a link to George Washington.

Rosie O'Donnell lost her mother at a young age and wants to reconnect with her by tracing her family history. A visit with her brother uncovers family footage of her mother as a young girl but also reveals the first clues to her mother's ancestry. Rosie's journey takes her from Jersey City to Ireland where she discovers that past generations of her family had endured many hardships before being given the opportunity for a better life.

Kim Cattrall ("Sex and the City") has only one obscured photo of her grandfather and is haunted by the fact that the man in that picture abandoned her mother and aunts at a young age. Searching for answers, Kim embarks on a journey to uncover the truth about what happened to her grandfather. The few clues she can find, including a British newspaper article from 1980, lead her to an unsettling truth and a deeper connection with the amazingly strong women in her family.

Music runs deep in singer/songwriter Lionel Richie's life, especially due to the close bond he had with his maternal grandmother, Adelaide Towson, who taught music at Tuskegee University. Although they had an incredible relationship, Richie knows nothing about her ancestry and is driven to solve the mystery surrounding the identity of her father. Richie sets out on a journey that will take him from his childhood neighborhood in Tuskegee to Nashville where his great grandfather helped sow the seeds of the Civil Rights movement. A trip to Chattanooga, Tennessee will uncover more clues to the identity of those who paved the way for him.

Steve Buscemi a man who has played his share of shady characters in his career, sets off on a trail to find similar real life dark figures in his own family. His search leads him to his maternal great great grandfather, a questionable character that had a tarnished Civil War record and other secrets. Steve's journey will take him from New York to Philadelphia and from the battlefields of Virginia to the Union ports of the Potomac River in search of his illusive ancestor.

As Academy Award-winning actress Gwyneth Paltrow traces the roots of her beloved paternal grandfather, a man driven to succeed in the face of adversity, she uncovers a string of events that give her insight into her great grandmother's character. On her mother's side, Paltrow discovers that her ancestors have deep roots in the Caribbean island of Barbados.

Ashley Judd's paternal great grandmother was a larger than life character who told tall tales. Her journey will lead her to an ancestor who served in the Union Army and faced tragedy on the battlefield. Rumors of ancestral ties to New England uncover an incredible connection to the first settlers of the New America.