Sky History 2 Friday

All over the world, there are giant monoliths that have been carved out of solid rock. The host investigates the possible purpose of these huge stone monuments

The case of UFO chaser Captain Mantell, and what he may have seen before he was killed. Plus, experts investigate a close encounter in Texas and a mysterious crash at Shag Harbour

How an Italian pilot may have captured genuine UFO photos in 1979. Plus, a wooden statue of the Virgin Mary that allegedly cries and bleeds from the palms of its hands

The Navy's improvised evacuation of Allies in northern France in 1940, when the Nazi blitzkrieg threatened to wipe out the entire Army as they made their way to the coast

Exploring the images and recollections of veteran photographers Peter Norris and discovering D-Day through the eyes of British soldiers as photographed on the ground

Researchers study giant ancient drawings found etched into the desert floor, which may be a part of an ancient alien code

A look at whether or not Area 51's notoriety acts as a cover-up to much bigger, top-secret extraterrestrial experiments taking place at multiple locations

The claims of Billy Meier who, in 1975, claimed he travelled on a beamship through space with extraterrestrial friends

Part two of two. In 1171, Henry II arrived to take control of Ireland, and granted land there to settlers from Britain. Cutting-edge science reveals their fascinating lives

The team solves a medieval mystery in Coventry, as they search for a monastic grange known as Biggin Hall, which provided produce for the nearby monks at St Mary's Priory.

All over the world, there are giant monoliths that have been carved out of solid rock. The host investigates the possible purpose of these huge stone monuments

The case of UFO chaser Captain Mantell, and what he may have seen before he was killed. Plus, experts investigate a close encounter in Texas and a mysterious crash at Shag Harbour

How an Italian pilot may have captured genuine UFO photos in 1979. Plus, a wooden statue of the Virgin Mary that allegedly cries and bleeds from the palms of its hands

The Navy's improvised evacuation of Allies in northern France in 1940, when the Nazi blitzkrieg threatened to wipe out the entire Army as they made their way to the coast

Exploring the images and recollections of veteran photographers Peter Norris and discovering D-Day through the eyes of British soldiers as photographed on the ground

A look at UFO sightings, terrifying abductions and other bizarre occurrences, casting new light on historic cases

Discovering the fate of the holiday industry in a post-apocalyptic world, with luxury resorts and cruise ships falling apart

Researchers study giant ancient drawings found etched into the desert floor, which may be a part of an ancient alien code

A look at whether or not Area 51's notoriety acts as a cover-up to much bigger, top-secret extraterrestrial experiments taking place at multiple locations

The claims of Billy Meier who, in 1975, claimed he travelled on a beamship through space with extraterrestrial friends

Part two of two. In 1171, Henry II arrived to take control of Ireland, and granted land there to settlers from Britain. Cutting-edge science reveals their fascinating lives

The team solves a medieval mystery in Coventry, as they search for a monastic grange known as Biggin Hall, which provided produce for the nearby monks at St Mary's Priory.

Allen Haff and Ton Jones set their sights on an undertaker's tool kit, scuba diving equipment and a shark cage at an auction in Oxnard, California

Allen Haff attends an auction in Ventura County, California, where he spots a vintage suitcase and other items with potential in a unit full of office furniture

Stories of naval ships that sank below the waves, from veterans who survived during the Falklands War to a hi-tech mission to solve a Second World War mystery