Discover the story behind street artist Keith Haring's iconic "Crack Is Wack" mural in New York City.

Devastating images of the 1942 disaster at Boston's Cocoanut Grove.

This pliosaur species was twice the size of a killer whale at 32 feet to 47 feet long, making it the largest pliosaur ever found.

In four years, the killer murdered, dismembered and castrated 12 different victims, and was never identified.

With 103 confirmed kills during the Vietnam War, Chuck Mawhinney dispatched more enemies than any other U.S. Marine in history.

Hugh Hefner once paid nearly $1,000 for a shot of her in a Santa hat.

The 67-year-old Italian expected his invisible work to fetch between $7,300 and $11,000. The final sale confirmed his belief that people don't need t...

Commissioned by King Leopold II, the Royal Greenhouses of Laeken are filled with lush, blooming greenery that make it one of the most stunning greenhouses...

The 1,100-year-old circular stone was found resting beneath the ground, thought to have fallen long ago with the collapse of a supporting arch.

The research suggests that only certain parts of Europe faced devastating losses during the plague, while other regions experienced much lower death tolls.