Sky History2

Explore key hints that aliens may have assisted ancient civilisations, from building megastructures to sharing key information.

A look at how ancient man could have built huge stone monoliths without advanced tools or technology. Could they have had extra-terrestrial help.

Dr Alice Roberts joins a team of archaeologists as they attempt to restage a Roman cavalry tournament.

Alice Roberts follows archaeologists as they excavate Iron Age Britain's most spectacular grave - a Yorkshire chariot burial. (4 of.

Ian attempts to finish his wild concept car in time and debut it at a premier car show on the West Coast.

An exploration of 3000 years of ancient Egyptian history through the amazing stories of 10 of its most famous and spectacular buildings.

In January 2012, on the first leg of a cruise around the Mediterranean Sea, the Costa Concordia deviated from her route and was rocked by a deadly crash.

In the depths of the tropical lowlands of Northern Colombia, scientists discover a gargantuan, unidentified animal vertebra.

A bright green swirling spiral appears in the seas of the Persian Gulf and a massive complex suddenly appears in Myanmar.

The race to develop the first atomic bomb was critical amid the struggle for WWII victory. Experts reveal new evidence behind Germany's top-secret development of nuclear weapons.

In the final months of WWII, how close were the Nazis and Japan to creating the nuclear explosion that would win the war? Experts and historians examine the evidence.

From the furthest reaches of human history, our ancestors left carvings, geo-glyphs and hieroglyphic messages for future generations to decipher.

Ancient alien experts investigate the mysterious and fearsome Norse Gods. Were they divine? Or could the all-powerful Vikings have been guided by aliens.

Dr Alice Roberts reveals the forgotten story of the Roman Army's cavalry as she journeys across Hadrian's Wall.

Dr Alice Roberts explores a secret location in the Cotswolds, which gives up a very precious and fragile artefact. (1 of.

In January 2012, on the first leg of a cruise around the Mediterranean Sea, the Costa Concordia deviated from her route and was rocked by a deadly crash.

In the depths of the tropical lowlands of Northern Colombia, scientists discover a gargantuan, unidentified animal vertebra.

A bright green swirling spiral appears in the seas of the Persian Gulf and a massive complex suddenly appears in Myanmar.

The race to develop the first atomic bomb was critical amid the struggle for WWII victory. Experts reveal new evidence behind Germany's top-secret development of nuclear weapons.

In the final months of WWII, how close were the Nazis and Japan to creating the nuclear explosion that would win the war? Experts and historians examine the evidence.

On the orders of Adolf Hitler, the Nazi invaders of Alderney utilised more than 5,000 slave labourers to build a series of protective fortifications. (1 of.

From flat earth legends to Galileo's telescope, explore the major changes in humans' scientific understanding of planet Earth throughout history.

From the furthest reaches of human history, our ancestors left carvings, geo-glyphs and hieroglyphic messages for future generations to decipher.