Her final list aired Wednesday night.
And so it went, a brand with a brand name, she who asks the questions. From young politicians at the starting gate...
"What would you like the mark you leave to be?"
To those who appeared before their fate had truly unfolded: Tiger Woods before the marital problems and JFK Jr. before the plane trip.
"People can say worse things than you are attractive and look good in a bathing suit," the slain president's son said.
First person, first show, K.D. Lang. In truth, some of the most fascinating are now less remembered - an astronaut, a cloner of sheep, a "Jeopardy!" champion and reality TV stars.
She could put herself on that list, but she won't because she asks the questions.
Hillary Clinton is Barbara Walters' most fascinating person of 2013. Of course, Clinton couldn't escape questions about whether she'll run for the White House again in 2016. She told Walters that she hasn't made up her mind and will make that decision sometime next year.
When Walters debuted the special 20 years ago, then-first lady Hillary Clinton also topped the list.
This year's list includes Oscar winner Jennifer Lawrence, "GMA" co-anchor Robin Roberts, Miley Cyrus and the cast of the "Duck Dynasty."