A new investigation into the Shroud of Turin, a cloth said to have covered Jesus' body, reveals clues toward its authenticity. Modern tools are used to analyze photos of ghosts from the 1800s.

Josh Gates examines an alleged alien abduction, the bizarre death of an American hero's son, and invisible attacks made upon CIA operatives in Cuba

New information reveals Jack the Ripper's identity. DNA suggests the existence of a Yeti. Max Headroom hijacks a live broadcast, shocking the world.

Cryptic clues left by the Zodiac Killer are finally deciphered, leading to a prime suspect. The location of Forrest Fenn's million-dollar buried treasure is revealed. The Voynich Manuscript, a text that possibly explains the origins of life, is decoded.

New evidence suggests the infamous outlaw Billy the Kid may have lived to old age under an alias. Modern scholars explore the true identity of the Man in the Iron Mask. After their UFO encounter, Betty and Barney Hill were forever changed.

Generations later, the truth of serial killer H.H. Holmes's death may be exposed by one of his descendants. Did the government conspire with the mafia about a mysterious helicopter crash? How might the youngest Romanov daughter have escaped slaughter?

Josh Gates looks at some of history's most intriguing hoaxes and unexplained events, including the Amityville Horror, the strange fate of a military submarine crew, and a phenomenon in which people's body fat causes them to burn alive.

Josh Gates investigates shocking conspiracy theories, including that the Titanic was sunk by more than just an iceberg, the true story behind the death of Harry Houdini, and lost Civil War Gold that spawned a lawsuit against the FBI.

The true identity of infamous plane hijacker D.B. Cooper may finally be revealed. The fate of Michael Rockefeller, lost heir to the Rockefeller fortune, is exposed. The car in which James Dean died might not be missing anymore.

Josh Gates investigates whether an ancient curse killed the explorers who discovered King Tut's tomb, the strange and untimely demise of nine students hiking in Siberia, and the mysterious disappearance of an influencer in the Nevada desert.

In the 16th century, settlers of Roanoke vanished without a trace. New evidence finally reveals what happened. Archaeologists investigate what destroyed the original Sin City, Sodom. A bold new theory suggests Stonehenge may be more than it seems.

Josh Gates investigates several mysterious tragedies and downfalls. An expedition crew goes insane, turning cannibalistic; an explorer searches for a lost city in the Brazilian rainforest; an aspiring young actress falls victim to a deranged killer.