Robert F. Kennedy spent the moments before he was fatally shot by Sirhan Sirhan on June 5, 1968, thanking his supporters after winning California's Democratic presidential primary.

With olive oil workshops under almost every structure citywide, Syedra would have been one of the Mediterranean's key suppliers, shipping its wares as far as North Africa and the Levant.

This silver penny dating to the 1130s features an image of King David I, a cross pattern, and an inscription that has yet to be deciphered in full.

Nancy Hart was a mother of eight who allegedly disguised herself as a man, spied on Tory camps, and shot multiple Loyalist soldiers from her cabin in the backcountry of northern Georgia during the Revolutionary War.

These historic photos capture the holiday spirit of the White House — and show how Christmas celebrations there have changed over the years.

The unknown sunken ship is extraordinarily well-preserved and likely went down at some point in the early 19th century.

Purportedly a member of George Washington's Culper Spy Ring, Anna Strong helped pass on intelligence about British troop movements during the American Revolutionary War.

Known as tulas, these woodworking tools found near Boulia, Queensland were used to carve everything from dishes to shields to boomerangs.

The dog's remains were found alongside a bone dagger, suggesting the creature was buried ceremonially.

These memorable headlines capture some of the most important historical events, from John F. Kennedy's assassination to the Titanic sinking to the fall of the Berlin Wall.