Sky History 2 Today

Experts investigate why so many UFOs have been spotted near remote islands, and consider whether the remote outposts could be the earthly homes of aliens

Investigations into whether the religious relic the Ark of the Covenant could hold connections to an extraterrestrial past

Investigating whether hilltop spirits, which some through time have believed to inhabit mountains, could have been extraterrestrials

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

How speed has become a decisive feature in war's evolution - from the chariot that brought greater mobility to small handguns like Samuel Colt's revolver

Investigations into the possibility that extraterrestrials with a superior knowledge of science and engineering landed on Earth thousands of years ago

Ancient alien theorists explore the origins of mythical gods, and examine whether the tales of superhuman beings could be based on sightings of extraterrestrials

Theorists offer compelling evidence suggesting that the ancient monolith thought to depict Egyptian pharaoh Khafra once represented an alien being

The efforts of Norwegian resistance fighters to return to their invaded homeland to carry out a daring mission to raid and destroy a hydroelectric plant

Alice Roberts visits archaeological digs in the east of Britain, where finds include new revelations from a 3,000-year-old preserved village in Cambridgeshire

Alice Roberts visits archaeological digs in the east of the country, where finds include Britain's biggest Roman letter hoard, sunken treasure and Caesar's Fort

Experts investigate images captured by satellites orbiting the Earth, including a ship stranded on the island that time forgot and a mystery Russian military compound

Aerial archaeologists battle to solve the mystery of the Mayan Empire collapse. Plus, the horrors of the communist lake of death

A high-speed train crash in Spain, an out of control cruise liner in Venice, a military air crash in Afghanistan, and the Deepwater Horizon oil spill

Footage, colorised for the first time, tells the story of the final days of the Third Reich and the battle by the Allies to capture the Nazi capital of Berlin

Matty Blake heads back to Florida's famed Treasure Coast, where he dives on the wrecks of the famed 1715 Spanish treasure fleet

Professor Alice Roberts revisits the death of Henry IV, best known for usurping and murdering his cousin Richard II

A look through some of Nostradamus's predictions, asking whether a Frenchman living in the 16th century could predict so many modern-day disasters, from 9/11 and tsunamis to Ebola

Experts investigate whether the stories of a time when gods and otherworldly beings inhabited the planet are more than mere mythology

Experts investigate whether Nasa rocket scientist Wernher von Braun might have found inspiration in technology found at the alleged UFO crash in Roswell

Bil Lepp investigates Hungarian-American illusionist Harry Houdini and how he accomplished his escape acts. He meets Houdini collector Roger Dryer and escape artist Matt Johnson

Bil Lepp explores why the battle of the Alamo is remembered, how Davy Crockett really died, and if Civil War soldiers were healed by an angel's glow

Experts investigate whether the US military has a secret space programme, as well as evidence suggesting alien races have been in conflict for millennia