MYSTERY

The origins of the “Isdal Woman” have been unknown for 46 years. Now, police have finally figured out where she's from.

After 27 years, a traffic accident victim can officially be laid to rest.

He's been called America's first serial killer.

Here's the true story behind the new film.

Did Amelia Earhart, the famous aviator, crash into the ocean and die, or did she meet another fate?

Was there a body hiding in plain sight on a Liverpool street for 60 years?

The Moravian Book Shop in Bethlehem, Pennsylvania, has been around since 1745—and has picked up a resident ghost along the way.

From biological warfare to underground bunkers to "Blucifer" the horse, Denver's airport has generated a lot of mysterious buzz.

Whether their crews disappeared or their captains went mad, these ghost ships still sail the seas (supposedly).

In 'The Great Detective,' author Zach Dundas reveals that the frenzy surrounding Sherlock Holmes isn’t strictly a Benedict Cumberbatch-related phenomenon. The master of Baker Street has always inspired fanatical devotion and feverish anticipation.

Was that mysterious "bloop" in the ocean made by a whale? Or by something much more mysterious? Investigators still don't know.

Kryptos, a set of huge copper plates with enciphered text carved into them, is an encrypted sculpture installed at CIA headquarters in Langley, Virginia. Although the sculpture was installed in 1990, it took until 1999 for someone to actually decrypt part