Sky History 2 Monday

The hundreds of gigantic lines, some in the shape of animals, geometric patterns and even an alien-like being, that extend through a Peruvian desert, known as the Nazca Lines

The story of Travis Walton, who claims that in 1975 he was abducted and taken aboard a space ship inhabited by extraterrestrial beings

The theories behind the location of Montezuma's lost treasure, a hoard of wealth believed to have been accumulated by the Emperor of the Aztec Empire

Strategic catastrophes and doomed military decisions, beginning with those whose rampant egos and misguided belief in their own abilities led to fatal mistakes

An eye-opening journey investigating the startling mysteries captured by satellites orbiting the Earth - from hidden worlds to unexplainable natural phenomena

The hundreds of gigantic lines, some in the shape of animals, geometric patterns and even an alien-like being, that extend through a Peruvian desert, known as the Nazca Lines

The story of Travis Walton, who claims that in 1975 he was abducted and taken aboard a space ship inhabited by extraterrestrial beings

Alice Roberts explores Plymouth's history during the Elizabethan era, visiting the home of Sir Francis Drake, and uncovering his history of piracy and slave trading

Tony Robinson goes on a four-day trek through the Kintail region of the Highlands, examining the story of the early 1700s Jacobite uprisings along the way

Drama-documentary telling the story of the Roman Empire, beginning with Roman emperor Titus's 100 days of games to commemorate the opening of the Colosseum

Strategic catastrophes and doomed military decisions, beginning with those whose rampant egos and misguided belief in their own abilities led to fatal mistakes

An examination of several seemingly impossible things 'caught on film', including a witch's broomstick 'floating' in mid-air. Plus, fossilised footprints found in Texas

Documentary series exploring anomalies appearing on satellite images to try and get a better understanding of unexplained phenomena

Part one of two. Experts construct an extraterrestrial spaceship, based on reported UFO sightings, while astronomers, physicists and engineers try to rationalise such occurrences

Military combat specialists Karl Ude-Martinez and Kevin Hicks test out swords, spears and armour as they investigate the British uprising against the Roman army

Three Portuguese girls claimed to have been visited by the Virgin Mary in 1917, before two of them died. The survivor reveals her long-kept secret

The theories behind the location of Montezuma's lost treasure, a hoard of wealth believed to have been accumulated by the Emperor of the Aztec Empire

Calls to reinvestigate the suspicious death of King Ludwig of Bavaria in 1886, who died three days after he was declared insane and deposed from the throne

The hundreds of gigantic lines, some in the shape of animals, geometric patterns and even an alien-like being, that extend through a Peruvian desert, known as the Nazca Lines