During World War II, rumours spread that an aircraft had been built from extraterrestrial blueprints. Were aliens helping Hitler's quest for world domination?

Now, two and a half thousand years later, we restore Athens to its former glory, we re-create impregnable fortifications; the first senate house; experience the power of the Greek navy; and rebuild one of the most advanced water systems in the world.

Innovations in engineering including locomotives, sewer systems and a technologically superior navy aided the spread of the British Empire and shaped the modern world.

Examining ancient machines used in the large-scale engineering projects of the ancient world, particularly in Greece and Egypt. Included: machines used to transport 3-ton limestone coffins in Greece. Also: the building of the Parthenon.

Hannibal's merciless attacks on Roman soil deal a near fatal blow to the future Empire. Sworn to a blood oath, Hannibal of Carthage does the unthinkable, marching 40 war elephants and an army over the Alps to gain the element of surprise.

Evidence continues to mount and patterns emerge, as a group of former U.S. government insiders seek the truth behind UFOs. A shocking new encounter pulls them to another part of the U.S.A. where two more military eyewitnesses risk their career.

Rick and Marty's good friend and world class wreck diver, John Chatterton, heads south to search for a never-recovered Spanish ship off the coast of Florida, and Gary Drayton shares with the brothers his most compelling, and valuable, find ever.

A dog that can detect cancer faster than doctors using sophisticated equipment. A horse that can read your mind. And birds that can sense disaster days before it happens. What gives animals these extraordinary powers?

During World War II, rumours spread that an aircraft had been built from extraterrestrial blueprints. Were aliens helping Hitler's quest for world domination?

Now, two and a half thousand years later, we restore Athens to its former glory, we re-create impregnable fortifications; the first senate house; experience the power of the Greek navy; and rebuild one of the most advanced water systems in the world.

Innovations in engineering including locomotives, sewer systems and a technologically superior navy aided the spread of the British Empire and shaped the modern world.

Examining ancient machines used in the large-scale engineering projects of the ancient world, particularly in Greece and Egypt. Included: machines used to transport 3-ton limestone coffins in Greece. Also: the building of the Parthenon.

Hannibal's merciless attacks on Roman soil deal a near fatal blow to the future Empire. Sworn to a blood oath, Hannibal of Carthage does the unthinkable, marching 40 war elephants and an army over the Alps to gain the element of surprise.

Evidence continues to mount and patterns emerge, as a group of former U.S. government insiders seek the truth behind UFOs. A shocking new encounter pulls them to another part of the U.S.A. where two more military eyewitnesses risk their career.

Rick and Marty's good friend and world class wreck diver, John Chatterton, heads south to search for a never-recovered Spanish ship off the coast of Florida, and Gary Drayton shares with the brothers his most compelling, and valuable, find ever.

A dog that can detect cancer faster than doctors using sophisticated equipment. A horse that can read your mind. And birds that can sense disaster days before it happens. What gives animals these extraordinary powers?

During World War II, rumours spread that an aircraft had been built from extraterrestrial blueprints. Were aliens helping Hitler's quest for world domination?

Now, two and a half thousand years later, we restore Athens to its former glory, we re-create impregnable fortifications; the first senate house; experience the power of the Greek navy; and rebuild one of the most advanced water systems in the world.

Innovations in engineering including locomotives, sewer systems and a technologically superior navy aided the spread of the British Empire and shaped the modern world.

Examining ancient machines used in the large-scale engineering projects of the ancient world, particularly in Greece and Egypt. Included: machines used to transport 3-ton limestone coffins in Greece. Also: the building of the Parthenon.

With a single slingshot to the head, young David defeated the giant Goliath. But behind this famous tale lies a world of treachery, intrigue and political ambition.

Witnesses describe a series of events surrounding the now legendary crash, while an incredible new technology attempts to read words on a 70 year old photograph that may hold clues to the mystery: Did an extraterrestrial spaceship crash at Roswell?

Things get dicey when the Laginas deploy Matty Blake to the wild west, where he assists in a dangerous investigation with a local treasure hunter to uncover the secrets of missing Civil War gold.

From alleged UFO encounters to sudden disappearances to evil possessions, series host William Shatner attempts to get to the truth behind the most bizarre and mysterious events ever reported.

Investigation into whether advanced technologies such as lasers and sonic weapons are merely rediscovered tools used by advanced beings in the past.

Does Mount Rushmore, one of America's greatest icons of Democracy have a more sinister meaning? Buddy, Mac and Scott travel to Big Sky country to decode the intended message possibly hidden within this great American symbol.

Join host Don Wildman as he discovers the massive CuChi tunnel system that gave soldiers the upper hand to the super-bunkers and secret caves used as shelters.

Buddy, Mac and Scott explore the mysterious circumstances behind the military icon's controversial death, noting threats made by Patton's numerous enemies. Did one of these enemies murder the General?

With a single slingshot to the head, young David defeated the giant Goliath. But behind this famous tale lies a world of treachery, intrigue and political ambition.

Witnesses describe a series of events surrounding the now legendary crash, while an incredible new technology attempts to read words on a 70 year old photograph that may hold clues to the mystery: Did an extraterrestrial spaceship crash at Roswell?

Things get dicey when the Laginas deploy Matty Blake to the wild west, where he assists in a dangerous investigation with a local treasure hunter to uncover the secrets of missing Civil War gold.

From alleged UFO encounters to sudden disappearances to evil possessions, series host William Shatner attempts to get to the truth behind the most bizarre and mysterious events ever reported.