Sky History 2 Sunday

The ancient site of Gobekli Tepe, which hallenges what archaeologists believe about the past

Experts explore the controversy surrounding the ancient Crystal Skulls, asking what powers might be unleashed if all 13 artefacts were brought together

An analysis of ancient monuments, questioning what compelled man to move colossal stones long distances to build remarkably similar structures all around the world

Bobby Bognar encounters sound waves, donkeys and volcanic rocks while exploring what makes Mexican food so tasty

A look at how the technology behind the ancient Greeks' Trireme war vessels and Roman emperor Caligula's opulent sex ships has defied reinvention

A look at America's network of national parks, vast, dense expanses of virtually unexplored wilderness, starting with the area around the Grand Canyon

A plane crash in the Everglades National Park leads to strange hauntings - and some believe the park may exert a dark, transformative power

Part one of two. Archaeologists investigate the full story of how the most famous Roman leader, Julius Caesar, rose to power and the battle that took him to the brink of defeat

Part two of two. Archaeologists investigate the truth behind key moments that took Caesar to the brink of defeat in his pursuit of power

Considering whether ancient rulers had otherworldly links. Experts examine whether history's most powerful leaders were 'chosen' and guided by aliens

Part one of two. Rust Valley's competing shops get ready to face off at the annual Hit-to-Pass race. The cost of Avery's Deuce-and-a-Half music truck spirals out of control

Part two of two. As the auto shops of Rust Valley battle it out at the high-impact Hit to Pass drag race, an accusation of cheating causes chaos to erupt

Guns increasingly shaped the way battles were fought and borders were drawn. With time, the quest to create more innovative weapons became ever more contested

While the single shot rifle remained a mainstay until the First World War, machine guns had been in development since the final days of the American Civil War

The Industrial Revolution changed it all when it came to cannons, as they evolved from wholly inaccurate and immobile to deadly killing machines

An exploration of the possibility that The Book of Enoch was stricken from the Bible because it documents humanity's extraterrestrial origins

Reports of odd phenomena, witnessed over the years. A staff sergeant remembers being attacked by a shadowy figure with long dark hair, who promptly disappeared

A search into the extreme depths of the Bermuda Triangle, where five American torpedo bombers and a search plane vanished without a trace in 1945

From Egypt to Easter Island, towering figures built by ancient man stand watch over Earth - but do they depict visitors from another world?

Back in 1966, at the Westall School in Melbourne, Australia, students claimed they saw a saucer-shaped object in a field

Teenager 16-year-old Ron Johnson, who claimed to have witnessed a mushroom-shaped object emitting a near-blinding light while feeding the family sheep in a field

An exploration of the possibility that The Book of Enoch was stricken from the Bible because it documents humanity's extraterrestrial origins

All Roman rulers put great value on spectacles and games, but only one, the son of Marcus Aurelius, steps out of the Imperial Box and onto the sands of the arena

By the fourth century AD, Rome is in decline and the Colosseum lays empty. To restore Rome, one man, a devout worshipper of the old gods, turns to the arena

An exploration of the possibility that The Book of Enoch was stricken from the Bible because it documents humanity's extraterrestrial origins

Ancient Astronaut theorists examine the creation myth of the 'Cosmic Egg', and look at why the concept is so pervasive throughout the world