History's Greatest Mysteries
In 1914, Sir Ernest Shackleton led a doomed expedition to Antarctica.
In 1914, Sir Ernest Shackleton led a doomed expedition to Antarctica.
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An investigation into the Roswell crash arrives at a critical moment.
A cryptic journal sparks an investigation into whether a UFO crashed at Roswell.
WWII's greatest unsolved mystery: a $500M art piece stolen by Nazis, still lost.
Smith digs deeper into the mystery of the journal.
An investigation into the Roswell crash arrives at a critical moment.
An investigation into the Roswell crash arrives at a critical moment.
A cryptic journal sparks an investigation into whether a UFO crashed at Roswell.
Powerful union activist's disappearance in Detroit remains a notorious mystery.
In 1914, Sir Ernest Shackleton led a doomed expedition to Antarctica.
108-year-old box in British manor may rewrite maritime history.
108-year-old box in British manor may rewrite maritime history.
Eric Ulis believes he's found the true location where Cooper landed.
Powerful union activist's disappearance in Detroit remains a notorious mystery.
In 1914, Sir Ernest Shackleton led a doomed expedition to Antarctica.
108-year-old box in British manor may rewrite maritime history.
108-year-old box in British manor may rewrite maritime history.
Eric Ulis believes he's found the true location where Cooper landed.
Two desperate murderers made an audacious rooftop escape from Elmira State Prison.
Forty IRA members escaped HM Maze prison in a food truck some remain at large.
Allied prisoners tunnel German camp most caught, 50 killed, 3 escape.
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