History's Greatest Mysteries

Top D.B. Cooper expert Eric Ulis believes he's found the true location where Cooper landed during his daring dive. Join him as he searches for answers.

For 108 years, a dust-covered box has remained hidden in a British manor house and may contain evidence that would rewrite the most famous maritime disaster in history: The Titanic.

Led by maritime archeologist and shipwreck expert Mensun Bound, follow a new ground-breaking expedition heading back into the frozen seas to hunt for Ernest Shackleton's lost ship.

He was the actor whose most famous role was assassinating a president. But was John Wilkes Booth also an escape artist? Did Booth evade justice and live for decades after killing Abraham Lincoln?

A cryptic journal sparks an unprecedented investigation into whether a UFO really crashed at Roswell, New Mexico in 1947.

The investigation heats up as the journal of Major Jesse Marcel, a key player in the Roswell incident, undergoes a crucial test.

Investigator Ben Smith travels to Jesse Marcel's hometown to speak with family members who reveal information that supports Marcel's story of a government coverup at Roswell.