The Mayans never predicted the world would end on Dec. 21, 2012 -- the Doomsday misconception is a "distorted world view of ancient civilizations."
The Italian ocean liner famously sank in the Atlantic in 1956.
The brass bell had been bolted to the wreck of the Italian cruise ship, which was under 24-hour surveillance.
A brazen mass prison escape in Mexico recalls some equally radical prison breaks in history.
From secret drug tests to nuclear bombs set off in the atmosphere -- you'll wish you never knew, too.
Did confusion about steering orders bring down the "unsinkable" ocean liner?
Researchers have pieced together a comprehensive map of the entire 3-by-5-mile Titanic debris field.