Warriors

In 1565, the Knights of Saint John defended Malta from the attacking Ottomans. Terry Schappert reveals what it was like to be a warrior in one history's greatest sieges.

The Alps are known as the majestic mountain range of Europe. But their formation from a collision between Europe and Africa left an unstable structure that is now a classic study in erosion by rivers of water, ice and rock suggesting an even greater former glory.

Series examining 75 million years of the most credible alien evidence on Earth. Discover what secrets extraterrestrials may have left behind and how spacemen might have shaped our world.

Engineering an Empire

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

Life After People

What would happen if all humans vanished? Would LA's palm trees spark a huge inferno? What would become of New York? And which animals would take control from man?

Mother Nature unleashes a barrage of attacks around the globe. In San Francisco, an earthquake crushes commuters; a rolling avalanche devours climbers in the Himalayas; and in Nebraska, lightning strikes an unlucky storm chaser.

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.

US airline pilots are reporting near mid-air collisions with UFOs. Elizondo hears a never-before-told account from a major legacy airline pilot whose report of a glowing orange sphere while in the cockpit over Arizona is backed up by photo evidence.

Warriors

In 1565, the Knights of Saint John defended Malta from the attacking Ottomans. Terry Schappert reveals what it was like to be a warrior in one history's greatest sieges.

The Alps are known as the majestic mountain range of Europe. But their formation from a collision between Europe and Africa left an unstable structure that is now a classic study in erosion by rivers of water, ice and rock suggesting an even greater former glory.

Series examining 75 million years of the most credible alien evidence on Earth. Discover what secrets extraterrestrials may have left behind and how spacemen might have shaped our world.

Engineering an Empire

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

Life After People

What would happen if all humans vanished? Would LA's palm trees spark a huge inferno? What would become of New York? And which animals would take control from man?

Mother Nature unleashes a barrage of attacks around the globe. In San Francisco, an earthquake crushes commuters; a rolling avalanche devours climbers in the Himalayas; and in Nebraska, lightning strikes an unlucky storm chaser.

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.

Warriors

In 1565, the Knights of Saint John defended Malta from the attacking Ottomans. Terry Schappert reveals what it was like to be a warrior in one history's greatest sieges.

The Alps are known as the majestic mountain range of Europe. But their formation from a collision between Europe and Africa left an unstable structure that is now a classic study in erosion by rivers of water, ice and rock suggesting an even greater former glory.

Series examining 75 million years of the most credible alien evidence on Earth. Discover what secrets extraterrestrials may have left behind and how spacemen might have shaped our world.

Engineering an Empire

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

Life After People

What would happen if all humans vanished? Would LA's palm trees spark a huge inferno? What would become of New York? And which animals would take control from man?

Mother Nature unleashes a barrage of attacks around the globe. In San Francisco, an earthquake crushes commuters; a rolling avalanche devours climbers in the Himalayas; and in Nebraska, lightning strikes an unlucky storm chaser.

From greed and gore to Grand Masters, we recreate this covert world of secrets and power.

Lue Elizondo previously identified five observable characteristics of UFOs, dubbed the 'five observables'. But there is a so-called sixth observable Elizondo began to investigate - an invisible threat these craft may pose.

Warriors

In 479BC, the Spartans beat the Persians to avenge their defeat at Thermopylae. Discover what it was like to fight in one of history's most tactical battles.

Chile's Atacama Desert is the driest, oldest and deadest desert on earth. Yet it's plays host to living creatures and penguins even thrive nearby. It may provide clues to where to look for life on other, seemingly barren, planets.

Ancient Aliens

Why do many cultures tell similar tales of monsters and giants? Could they be eye-witness accounts of extraterrestrials? Series examining evidence of aliens on Earth.

What might happen if a ringed planet the size of Neptune were on a collision course with Earth? Total destruction in just four hours.

Power tools are not from the modern world, but are in fact thousands of years old. Most would be lost to time and not again for centuries. How was the ancient world able to create such incredible power tools?

Food Tech

Host Bobby Bognar crisscrosses the country to reveal what's behind a pancake breakfast. He gets fresh with a cow in a quest to learn if there really is butter in buttermilk pancakes.