Editor's note: A previous version of this story said the gold bar weighed 4,255 pounds. It weighs 4.25 pounds. A 4-pound gold bar that was discovered during construction work in Mexico City nearly 40 ...

Explore the incredible true stories behind the hunt for Montezuma's lost Aztec treasure, believed by some to be hidden in the canyons of Utah. From a prospector's vision to mysterious curses and ...