It's nearly impossible to estimate how many galgo dogs are killed in Spain annually, although experts say it's as many as 100,000.

Did 16-year-old Grace Marks of Alias Grace fame actually help murder her employer and his lover — or was she unfairly locked away?

Rat Island may not have rats, but it does have a one-of-a-kind story.

The subject of "The Butler," Eugene Allen worked inside the White House for 34 years and served eight presidents — and finally got his due.

"I was afraid that I wasn't going to be able to participate in life," Erik Weihenmayer remembered thinking after he first went blind at 14. But that's not how things turned out.

Scientists say your body acts and feels 70 years older than it actually is in Everest's high-altitude "death zone." And Min Bahadur Sherchan was already very old.

How Annie Jones attained fame as P.T. Barnum's "Bearded Lady," yet still died little more than a circus "freak" in the eyes of the business that chewed her up.

No one knows why Harriet Cole donated her body to science, but the contribution she made lives on to this day.

The Wineville Chicken Coop Murders rocked a small southern California town in the late 1920s – and led to the hanging of Gordon Northcott.

How the search for enlightenment — and lots of drugs — sent scores of young seekers through Europe and Asia along the hippie trail.

Throughout the 1950s, atomic detonations brought countless tourists to Sin City — and helped make it what it is today.