Sky History 2 Friday

Experts examine the link between aliens and the Civil War, exploring Abraham Lincoln's strange visions and ghostly images seen at Gettysburg

A selection of recently declassified FBI files provides new evidence for the debate over whether alien life really exists, and theorists claim the Vatican may be hiding the truth

With unimaginable wealth and power, Cleopatra was one of the most iconic figures of the ancient world. This documentary examines the myths and mystery associated with her

Documentary charting the fate of the MTS Oceanos, a French-built and Greek-owned cruise ship that sank off the coast of South Africa in 1991 after suffering uncontrolled flooding

How Elizebeth Friedman cracked the codes that brought down the Mob and saved countless lives in the Second World War, armed with just a pencil and paper

How dozens of megalithic sites across the globe were designed to emanate the exact same frequency allowing humans to connect with extraterrestrial forces