MYSTERY

These great Agatha Christie adaptations test the audience to figure out the mystery.

What is the truth behind the historical figure’s death?

In 1981, 58-year-old Polly Melton went for a hike in a well-traveled national park. She never returned.

In summer 1993, hundreds of people claimed to have found hypodermic needles inside cans of Pepsi. Was it a hoax, a disgruntled employee, or something worse?

The medieval hero known as Wade was thought to have encountered elves in his adventures. But they might have been wolves instead.

From the Bermuda Triangle to the ‘Mary Celeste,’ here are some of the most puzzling enigmas of the deep.

Delve into the mystery surrounding the assassination of Grigori Rasputin, and see how the circumstances of his death have taken on a life of their own.

For the past century, the quest to break the Beale Ciphers has attracted the military, computer scientists, and conspiracy theorists. All have failed.

In 1866, Kennicott was found dead near the Yukon River. It would be 150 years before anyone knew why.

Chaco Canyon was once the vibrant religious center of a Native American culture whose collapse long remained a mystery—until pack rat middens revealed an important clue. 

Here's why medieval artists loved putting horns on Moses.

The tiny little tar blobs could be nothing—or they could be dangerous.