Astronomical events were once thought of as heralds of ill omen. But what could these events have been? And did any of them shape history?

Could the Anunnaki gods be more than legend? Is it possible that civilization made sudden, huge advances in development 5,000 years ago as a result of their presence on Earth?

Search for the Lost Giants

The Vieira brothers travel to the Ozarks and make two possibly game-changing discoveries.

Lost Relics Of The Knights Templar

The series finale focuses on the reliquary casket. Carl and Hamilton know the casket dates to a later period - probably early 15th century. Yet a series of engravings on it - the 'box code' - appears to make veiled references to Templar beliefs.

In this episode, a flaming tornado terrorises a team of firefighters; a Hawaiian volcano wipes an island paradise off the map; and an avalanche of rocks and debris obliterate a village in Honduras.

Mega Jaws: Investigating sightings of a 60-foot shark that might be a giant new species or a prehistoric survivor in the waters off Mexico's Baja Peninsula.

Astronomical events were once thought of as heralds of ill omen. But what could these events have been? And did any of them shape history?

Could the Anunnaki gods be more than legend? Is it possible that civilization made sudden, huge advances in development 5,000 years ago as a result of their presence on Earth?

Search for the Lost Giants

The Vieira brothers travel to the Ozarks and make two possibly game-changing discoveries.

Lost Relics Of The Knights Templar

The series finale focuses on the reliquary casket. Carl and Hamilton know the casket dates to a later period - probably early 15th century. Yet a series of engravings on it - the 'box code' - appears to make veiled references to Templar beliefs.

In this episode, a flaming tornado terrorises a team of firefighters; a Hawaiian volcano wipes an island paradise off the map; and an avalanche of rocks and debris obliterate a village in Honduras.

Mega Jaws: Investigating sightings of a 60-foot shark that might be a giant new species or a prehistoric survivor in the waters off Mexico's Baja Peninsula.

Brad Meltzer enlists America's help to find lost and stolen historical artifacts, which are going missing from museums and public collections at an alarming rate.

Astronomical events were once thought of as heralds of ill omen. But what could these events have been? And did any of them shape history?

Could the Anunnaki gods be more than legend? Is it possible that civilization made sudden, huge advances in development 5,000 years ago as a result of their presence on Earth?

Search for the Lost Giants

The Vieira brothers travel to the Ozarks and make two possibly game-changing discoveries.

Lost Relics Of The Knights Templar

The series finale focuses on the reliquary casket. Carl and Hamilton know the casket dates to a later period - probably early 15th century. Yet a series of engravings on it - the 'box code' - appears to make veiled references to Templar beliefs.

Battles BC

Discover how cornered Egyptian soldiers miraculously escaped the Hittites in one of the greatest armed battles of the ancient world.

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.

Inspired by the divine, we create monuments to its power (Stonehenge, the Great Pyramid). New challenges create new sciences, and when the Romans mixed volcanic ash with water they created a new super-material: concrete.

No prizes for second place! In this episode we learn how being the fastest enabled empires to be born and capitalism to thrive.

The ancient Greeks invented philosophy, democracy, and...robotics? From an ancient death ray constructed by Archimedes to Heron's automatic doors, which of these ancient Greek technologies will prove to be the most advanced?

Researcher Marc Seifer finds the smoking gun evidence proving the US military wanted Tesla’s secret files. Jason Stapleton and Travis Taylor investigate a link between Tesla’s last patent and one of the Air Force’s most advanced aircrafts.

Gold Hunters: Legend Of The Superstition...

Hunting for the Lost Dutchman is usually a one-man journey, but Wayne Tuttle is partnering with a team of experts to follow a newly-revealed clue that could finally solve the 500-year-old mystery of America's most famous buried treasure.