History's Greatest Mysteries

History's Greatest Mysteries Who Is the Zodiac Killer?

In 1969, a serial killer taunts investigators with cryptic ciphers, leaving police and the public questioning his identity for over 50 years; new evidence and technology may finally be able to crack his code and discover who the Zodiac Killer is.

11:00 PM on History Canada East

Select your lineup for TV local listings

History's Greatest Mysteries The Loch Ness Monster

Despite centuries of sightings and searches, one deep-sea monster remains unidentified; as evidence continues to mount, the mystery endures as to whether the Loch Ness monster exists.

12:00 AM on History Canada East

Select your lineup for TV local listings

History's Greatest Mysteries Unlocking the Secrets of Stonehenge

It's one of the most famous prehistoric monuments on Earth -- a mysterious arrangement of stones that have adorned the English countryside for millennia; nobody knows how the landmark was built or why.

1:00 AM on History Canada East

Select your lineup for TV local listings

History's Greatest Mysteries Roswell: The First Witness - The Journal

A cryptic journal sparks an unprecedented investigation into whether a UFO crashed at Roswell, N.M., in 1947; Major Jesse Marcel's journal may contain coded clues to the truth behind Roswell.

12:00 PM on History 2 Canada

Select your lineup for TV local listings

History's Greatest Mysteries The Killing of Bugsy Siegel

Notorious mobster Bugsy Siegel is gunned down in his Beverly Hills living room; Siegel's killing becomes front page news; no arrest is ever made.

4:00 PM on History Canada East

Select your lineup for TV local listings

History's Greatest Mysteries Roswell: The First Witness - The Journal

A cryptic journal sparks an unprecedented investigation into whether a UFO crashed at Roswell, N.M., in 1947; Major Jesse Marcel's journal may contain coded clues to the truth behind Roswell.

6:00 PM on History 2 Canada

Select your lineup for TV local listings

History's Greatest Mysteries Roswell: The First Witness - The Journal

A cryptic journal sparks an unprecedented investigation into whether a UFO crashed at Roswell, N.M., in 1947; Major Jesse Marcel's journal may contain coded clues to the truth behind Roswell.

9:00 PM on History 2 Canada

Select your lineup for TV local listings

History's Greatest Mysteries Roswell: The First Witness - The Memo

A former CIA operative's investigation into the Roswell crash arrives at a critical moment when the mysterious journal found among the possessions of Maj. Jesse Marcel undergoes a crucial test.

12:00 PM on History 2 Canada

Select your lineup for TV local listings

History's Greatest Mysteries Roswell: The First Witness - The Memo

A former CIA operative's investigation into the Roswell crash arrives at a critical moment when the mysterious journal found among the possessions of Maj. Jesse Marcel undergoes a crucial test.

6:00 PM on History 2 Canada

Select your lineup for TV local listings

History's Greatest Mysteries Roswell: The First Witness - The Memo

A former CIA operative's investigation into the Roswell crash arrives at a critical moment when the mysterious journal found among the possessions of Maj. Jesse Marcel undergoes a crucial test.

9:00 PM on History 2 Canada

Select your lineup for TV local listings