Lewis Hine posed as a Bible salesman or machinery photographer to expose the hardships of child labor.

In a year of extraordinary, chaotic moments this was a hopeful one - a beat-up country music star recording an album live at a troubled maximum security prison in California.

Ski jumping involves flying more than 800 feet in the air and then landing on two feet, without dying. Where on earth did this sport come from?

Samuel Cutler Ward, also known as the “King of the Lobby,” is credited with shaping the craft of lobbying. And like lobbyist and former Trump campaign manager Paul Manafort, he also had some seriously expensive tastes.

"The Birth of a Nation" depicted life after the Civil War in a way that glorified Klansmen. The film and its cultural impact led one man to conclude that the time was right to bring back the Klu Klux Klan.

It’s World War II, and you’re King George VI of England. You fear a Nazi invasion of England could come at any moment. How do you protect the crown jewels? Not even Queen Elizabeth II knew how her dad did it - until recently.

An American in the 1940s would not recognize the woman from the “We Can Do It!” poster as Rosie the Riveter.

When President Reagan told Mr. Gorbachev to “tear down this wall,” it was not seen as a historic moment. It took the actual fall of the wall to resurrect the speech and drill the quote into the nation's political consciousness.

The anti-Semitic conspiracy theories surrounding the Rothschild family date all the way back to The Battle of Waterloo.

In April 1917, Jeannette Rankin, the first woman elected to Congress, faced an agonizing choice: should she, or should she not, vote for the United States to enter World War I?