The Great Pyramids of Giza have eluded astronomers and archeologists for centuries. The world's renowned Egyptologists, astronomers and engineers join forces to solve some of the long-held mysteries about the pyramids.

Ancient Aliens

Accounts from various cultures describe similar divine, birdlike figures that brought advanced medical knowledge to mankind thousands of years ago. Who were these ancient surgeons?

Warriors

Travel the globe alongside modern-day warrior, Terry Schappert, and go inside the culture of some of the most famous warriors of all time to explore their weaponry, tactics and, ultimately, their psyche.

What if, for the first time in 4.5 billion years, Earth was pulled out of its orbit, sending it on a collision course into the Sun? Earth's 65-day deadly fall brings massive hurricanes, sandstorms and a heat wave that kills every last person.

Battles BC

The great general leads his huge empire to India. Facing a challenging campaign in tough conditions, Alexander's plan requires tactical brilliance.

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.

What is the truth about the Jersey Devil, which has been described as a winged half-bird, half-horse creature with hooves, a reptilian tail and a scream that echoes through New Jersey's Pine Barrens?

Host Brad Meltzer and viewers are on the hunt for lost and stolen history, including JFK's actual brain tissue and millions of dollars of gold coins stolen from the U.S. Mint. Plus, a remarkable violin from the Titanic.

The Great Pyramids of Giza have eluded astronomers and archeologists for centuries. The world's renowned Egyptologists, astronomers and engineers join forces to solve some of the long-held mysteries about the pyramids.

Ancient Aliens

Accounts from various cultures describe similar divine, birdlike figures that brought advanced medical knowledge to mankind thousands of years ago. Who were these ancient surgeons?

Warriors

Travel the globe alongside modern-day warrior, Terry Schappert, and go inside the culture of some of the most famous warriors of all time to explore their weaponry, tactics and, ultimately, their psyche.

Battles BC

The great general leads his huge empire to India. Facing a challenging campaign in tough conditions, Alexander's plan requires tactical brilliance.

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.

What is the truth about the Jersey Devil, which has been described as a winged half-bird, half-horse creature with hooves, a reptilian tail and a scream that echoes through New Jersey's Pine Barrens?

Host Brad Meltzer and viewers are on the hunt for lost and stolen history, including JFK's actual brain tissue and millions of dollars of gold coins stolen from the U.S. Mint. Plus, a remarkable violin from the Titanic.

The Great Pyramids of Giza have eluded astronomers and archeologists for centuries. The world's renowned Egyptologists, astronomers and engineers join forces to solve some of the long-held mysteries about the pyramids.

Ancient Aliens

Accounts from various cultures describe similar divine, birdlike figures that brought advanced medical knowledge to mankind thousands of years ago. Who were these ancient surgeons?

Warriors

Travel the globe alongside modern-day warrior, Terry Schappert, and go inside the culture of some of the most famous warriors of all time to explore their weaponry, tactics and, ultimately, their psyche.

What if, for the first time in 4.5 billion years, Earth was pulled out of its orbit, sending it on a collision course into the Sun? Earth's 65-day deadly fall brings massive hurricanes, sandstorms and a heat wave that kills every last person.

Battles BC

The great general leads his huge empire to India. Facing a challenging campaign in tough conditions, Alexander's plan requires tactical brilliance.

In Southern California, raging wildfires set the stage for a massive mudslide killing 14 people at a campsite. A tornado targets an Oklahoma truck driver. Plus, an Indonesian volcano errupts, smothering nearby citizens with a blanket of ash.

An urban legend comes true during the 1930s when New York City workers find swarms of alligators living beneath the busy streets of the metropolis.

Brad Meltzer and viewers are on the hunt for lost history. Among the missing: actual lunar rocks brought back from the moon by American astronauts during the Apollo space program - and later stolen from NASA headquarters in a daring heist. 

Sodom and Gomorrah-a Biblical tale of two cities incinerated by a hail of fire and brimstone. Astronomers, archeologists and biblical scholars investigate the possible science behind the myth.

All around the world, archaeologists have uncovered mysterious relics revered by ancient cultures for thousands of years. What is it about these ancient objects that draws people to them?

Missing In Alaska

Sightings of small creatures have coincided with missing persons reports within the Alaska Triangle. Could man-eating gnomes be roaming Alaska?

A team of Americans attempts to solve one of the great mysteries of World War II. With the help of an eyewitness, they explore a mountain in the Philippines where Japanese general Yamashita is believed to have buried a vast treasure during the war.

A new class of super structures are taking on the impossible: the largest moveable building in history, a super-tall skyscraper built to withstand killer earthquakes, and a bridge being raised while it stays open to traffic.