Before he hit comedy fame, Martin Lawrence threw punches in the boxing ring – until one fight changed everything.

Before he was a well-known character actor, Steve Buscemi was part of a very different cast – his firehouse.

Before her country hits and TV fame, Reba McEntire was performing in a very different venue: the rodeo.

Robin Williams is remembered for his iconic big-screen roles, but back when he was 27, Williams changed the way TV was made forever.

Madonna makes everything look cool – including one piece of musical equipment that she pioneered.

Historian Alexis Coe talks about Sam Adams' many failed ventures before he found his calling as a U.S. founding father.

Before Gal Gadot got her start as an action star, she trained the hard way — in the Israeli Army!