Before Gracie Mansion, Charles Schwab's massive, 50,000 square feet Riverside Drive abode was set to become the official residence of New York City's mayors.
The diamond necklace had 647 diamonds, and after it went missing Marie Antoinette was accused of buying but not paying for it. And this French royal scandal only got juicier.
A construction crew gutted it to use its stone for roadwork. But before the temple at Nohmul met its fate in 2013, it was one of the largest Maya pyramids in Belize.
Otto Dix's painting, 'The Trench,' which graphically showed the horrors of World War I, featured in an exhibition of works the Nazis deemed 'degenerate.' Then it went missing.
In 1216, a group of King John’s men were traveling through some marshland when a flood engulfed them. Ever since, the whereabouts of the Crown Jewels has remained unknown.
When artist Jeff Koons conceived a life-size replica of a 1943 steam engine, the hope was it would dangle above visitors to NYC's High Line. But the engine never came to be.
The artist Robert Rauschenberg thought destroying a work by Willem de Kooning was ‘not a negation, it’s a celebration.’ The art world was divided.