Science Channel HD

Three teams of merry masterminds compete to see who can pack their pines with the most firepower, save Christmas Town from an Abominable Snowman and send toy soldiers to the gifting front lines; missing the mark gets their names on the naughty list.

The teams have to deliver letters, send decorations without breaking anything and give Santa's sleigh a turbo boost to claim the golden rocket tree-topper trophy.

Biblical scientists and scholars attempt to uncover evidence of lost cities.

Experts investigate clues revealing evidence of a long-lost civilization in the Amazon that built giant cities of untold treasures.

Archaeologists are finding hard proof of the prehistoric civilization that once thrived in the Amazon; with the help of cutting-edge technology, these new discoveries reveal how these long-lost people built an advanced society in the jungle.

Time travel may be more possible now than ever imagined, and today, cutting-edge technology and the latest research into black holes and wormholes is helping experts get much closer to discovering how to travel through time.

We don't yet know where the edge of the universe is or what happens there; but thanks to cutting-edge technology and new discoveries, experts might finally reveal the secrets of the phenomena.

The discovery of extraterrestrial life might face an impossible challenge: the physics of the universe itself; using cutting-edge tech, experts might be on the verge of a groundbreaking find, and the evidence could already be in hand.

A countdown some of the most important things to help you survive the holidays.

A countdown of some of the odd things that might be found at grandma's house.

A countdown some of the best Christmas gifts and how they're made.

A countdown the five strangest and unusual products in the show's history.

Ancient scriptures describe the Ark of the Covenant as possessing an almighty force with the capacity to kill; now, an expert team of archaeologists trace the ark's destructive path in a quest to discover the truth behind its mythical power.

According to biblical scripture, the prophet Jeremiah hides the Ark of the Covenant at a remote location for safekeeping; a team of archaeologists investigate sacred sites and ancient tombs to retrace the possible journey of this lost artifact.

The holy order of the Knights Templar are believed to have located and seized the Ark of the Covenant centuries ago; now, expert historians follow the trail of this elusive order to uncover the truth behind this sacred relic's mysterious journey.

Some allege that the Ark of the Covenant was stolen by King Solomon's son and taken to Ethiopia thousands of years ago; now, archaeologists investigate new, mysterious leads to uncover the secrets behind this lost relic's elusive journey.

Lost for centuries, scholars believe the Ark of the Covenant never left Jerusalem and remains buried beneath this ancient city; now, a pioneering team of archaeologists is on a quest to unearth the most famous and treasured artifact in human history.

Ancient documents and legends suggest that the Ark of the Covenant may have been stolen by Roman legions and hidden in Rome; a team of archaeologists explore mystery cults and ancient catacombs to uncover the truth behind this treasured artifact.

A labor strike in an Arizona mining town ends in a mass kidnapping and deportation, a unique homesteading community gets its start in the Old West, and a leaning Carolina lighthouse becomes part of Civil War history.

The notorious owner of this Georgia plantation once held a sale of nearly 450 enslaved people; appalled at her husband's cruelty, the man's wife wrote and published a journal about the atrocities she witnessed.

At a nondescript bowling alley in South Carolina, evidence of a peaceful student protest that turned deadly comes to light; a series of tunnels in L.A. becomes a shady place for resourceful people in this sunny city.

A remote site in Arkansas plays a major role in a high-stakes Cold War drama, an ancient ruin in Cambodia is ravaged by one man's cruel deception and a French fort becomes the symbol of a heroic but doomed resistance.

A ghost town in Sicily has deep roots in organized crime; an obscure asylum in Pennsylvania shocks America and inspires a revolution; a mansion in Ireland becomes embroiled in a bizarre kidnapping plot.

A rural town in Oregon is invaded by an eccentric cult, a battered building in Florida plays a major role in the cigar trade, and a junkyard palace in New Jersey becomes the subject of controversy and rumors of the supernatural.

An eerie prison with a dark past that became the setting of an iconic Hollywood movie and alien monoliths on a strange and remote island are deserted engineering projects, and new discoveries reveal how they were built and why they were abandoned.

A ghost town in Sicily has deep roots in organized crime; an obscure asylum in Pennsylvania shocks America and inspires a revolution; a mansion in Ireland becomes embroiled in a bizarre kidnapping plot.

A rural town in Oregon is invaded by an eccentric cult, a battered building in Florida plays a major role in the cigar trade, and a junkyard palace in New Jersey becomes the subject of controversy and rumors of the supernatural.

An eerie prison with a dark past that became the setting of an iconic Hollywood movie and alien monoliths on a strange and remote island are deserted engineering projects, and new discoveries reveal how they were built and why they were abandoned.

A remote site in Arkansas plays a major role in a high-stakes Cold War drama, an ancient ruin in Cambodia is ravaged by one man's cruel deception and a French fort becomes the symbol of a heroic but doomed resistance.

Ancient documents and legends suggest that the Ark of the Covenant may have been stolen by Roman legions and hidden in Rome; a team of archaeologists explore mystery cults and ancient catacombs to uncover the truth behind this treasured artifact.

A labor strike in an Arizona mining town ends in a mass kidnapping and deportation, a unique homesteading community gets its start in the Old West, and a leaning Carolina lighthouse becomes part of Civil War history.

A strange discovery by NASA's Mars Curiosity rover suggests the Red Planet was home to an alien nuclear war 300 million years ago; experts investigate if an extraterrestrial Armageddon transformed an Earth-like world into a wasteland.

When a former Area 51 insider alleges that the Roswell UFO incident was a nefarious Soviet conspiracy masterminded by Stalin, experts investigate if it was indeed an enemy plot against America -- or if the confession is just another cover-up.

When NASA begins a strange experiment to communicate with dolphins, experts investigate if it's a prelude to making alien contact; some fear that such a discovery could have apocalyptic consequences.

New astronomical research is beginning to reveal an invisible scaffold of dark matter known as the Cosmic Web, an intergalactic network that transformed the universe from a chaotic Big Bang into the structured beauty of the present day cosmos.

As the two Voyager spacecraft reach interstellar space, experts explore their astonishing discoveries and how their extended operation has transformed into the ultimate mission.

New discoveries reveal the truth behind the Loch Ness Monster, and experts investigate the world's most mysterious waters in search of evidence that a prehistoric monster could still be lurking in the deep.

New discoveries reveal the bloody origin of the feathered snake god, and experts investigate why the ancient Mesoamericans believed that human sacrifice was the only way to appease the deadly monster.

New discoveries suggest that a sea beast like the Kraken could have existed, and experts examine a strange monster that could give shocking answers into this underwater mystery.

A new excavation at the mysterious home of the Minoans leads to a startling discovery about real-life origins of the Minotaur, and experts decode artifacts that point to bloody human sacrifices for the ferocious monster.

New discoveries uncover the dark secrets of Egypt's strange half-man, half-lion beast, revealing why the pharaohs were so intent on transforming into this powerful and ferocious monster.

The latest science reveals that demons aren't just the stuff of horror stories, and as experts investigate shocking new archaeological evidence, they uncover the gruesome methods used to exorcise humans of demonic possessions.

Terrifying new discoveries reveal the bloody truth behind the legends of vampires, and experts investigate why people believed these monsters had a taste for human blood.

Werewolves were once so feared, people suspected of the power were hunted and killed, but even so, many admitted that they could become these deadly creatures, and new evidence reveals why a powerful hallucinogenic drug could be to blame.

Satellite images capture an enormous X shape mysteriously carved with precision in the remote Nevada desert; experts investigate a military emergency landing field linked to one of the most astonishing test programs in aviation history.

Satellite images capture miles of aircraft precisely arranged in the vast Arizona desert; experts investigate the largest aircraft storage facility on Earth and the rotting remains of a defining moment in Cold War history.

Satellite images capture a mysterious group of pyramid-shaped structures in the arid, desert landscape of Arizona; experts investigate a highly controversial research facility designed to prepare humanity for life on another world.

A ghost ship appears overnight on the shores of Ireland; it may help shed light on the fate of vessels claimed by the most notorious patch of ocean on earth.

Aerial archaeologists capture a series of mysterious dots buried beneath the remote, frozen landscape of Finnmark, Norway; experts investigate and reveal revolutionary hunting techniques developed by the oldest surviving Norwegian tribe.

Satellite images capture a mysterious group of pyramid-shaped structures in the arid, desert landscape of Arizona; experts investigate a highly controversial research facility designed to prepare humanity for life on another world.