Sky History 2 Sunday

The mysteries of the Aztecs, who built one of the world's most powerful and feared empires

How, across the globe, reports of mysterious glowing orbs are on the rise. Their origin and purpose remain unknown, raising questions about potential extraterrestrial contact

The ships that made mighty empires, from those that patrolled the high seas for imperial Britain to the USS Laffey's Second World War battle against kamikazes at Okinawa

Stories of espionage at sea, including deadly U-boat cat-and-mouse games, the sinking of the Lusitania, a gun-smuggling private yacht and liners-turned-troopships

How revolutionary ship design helped Sir John Hawkins and Sir Francis Drake lead England to defeat the Spanish Armada and become a world power

Alice Roberts explores Cardiff's Edwardian past, discovering how the coal industry transformed the Rhondda Valley and brought immigrants from across the world to Wales

Alice Roberts explores the history of Oxford during the Civil War, when the city became a power base for the royalist forces and a rival capital for nine years of conflict

Alice Roberts explores the Plantagenet era through the history of Canterbury, joining a modern-day pilgrimage and uncovering the lasting impact of the Black Death

An investigation into compelling UFO and alien cases by opening previously off-limits secret files. Does the mysterious Blue Planet Project hold the answers?

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

Auschwitz survivors explore the railways' part in the Nazis' plans to commit murder. Documentary exploring the role of trains in major conflicts of the past 150 years

Documentary series exploring the role of trains in the major conflicts of the past 150 years. This instalment considers the Second World War of 1939 to 1944

Alice Roberts explores London's Restoration history, including the founding of the Royal Society and the violent dark side behind Charles II's carefully crafted public image

The mysteries of the Aztecs, who built one of the world's most powerful and feared empires

How, across the globe, reports of mysterious glowing orbs are on the rise. Their origin and purpose remain unknown, raising questions about potential extraterrestrial contact

The Battle of Agincourt, contested in October 1415 during the Hundred Years' War between England and France

The Battle of Gergovia, fought in 52BC. Following eight years' of warfare in Gaul, Julius Caesar and his legions laid siege to Gergovia - but faced a coalition of Gallic tribes

Unexpected things revealed by catastrophic disasters, featuring a submerged funerary complex in Greece and ancient mammal footprints preserved by a Turkish volcanic eruption

A Bronze Age village, a Notre Dame fire and a 19th-century grave reveal ancient lifestyles. Tar pits showcase extinct mammals and shed light on prehistoric climate change

Alice Roberts explores London's Restoration history, including the founding of the Royal Society and the violent dark side behind Charles II's carefully crafted public image

Professor Alice Roberts visits Portsmouth to investigate the history of the Royal Navy, uncovering some uncomfortable truths behind the myth surrounding Lord Horatio Nelson

The ships that made mighty empires, from those that patrolled the high seas for imperial Britain to the USS Laffey's Second World War battle against kamikazes at Okinawa

Stories of espionage at sea, including deadly U-boat cat-and-mouse games, the sinking of the Lusitania, a gun-smuggling private yacht and liners-turned-troopships

How revolutionary ship design helped Sir John Hawkins and Sir Francis Drake lead England to defeat the Spanish Armada and become a world power

A look at perplexing and unusual objects lying hidden away in museums, laboratories and storage rooms