Sky History 2 Thursday

Aerial views offer a fresh perspective on massive concrete arrows scattered across America. Plus, a mysterious hole in the middle of a lake in Southern California

A look at Togo's traditional religious practices and a tour of the incredible Danakil Desert in Ethiopia. Plus, a visit to a city in Georgia where every citizen has a gun

Scientists examine claims that ancient pharaohs used cocaine, and discover how members of a mountain tribe in Mexico can run hundreds of miles for days on end

Looking at the bizarre trend in Ireland in the 1980s when thousands of people started seeing religious statues move

Stories of ghosts and spirits haunting the White House, where many great historical figures have once resided

Experts examine the possibility that life began on Mars and travelled to Earth, and assess the plans aliens may have in store for the human race if they really do exist

Experts open previously off-limits secret files in a bid to answer some of the most mysterious questions surrounding UFOs and extraterrestrial life

Craig and co-presenter Sarah Cruddas head to central Scotland, which has its own 'Area 51', known as the Falkirk Triangle, known for UFO activity

Space journalist Sarah Cruddas joins Craig to investigate a spectacular mass UFO sighting over the city of Phoenix, Arizona, in 1997

Andy McGrath embarks on a mission to unearth the Cornish sites of King Arthur and tries magnet fishing for the mythical sword Excalibur

Dan Jones explores the history of Warwick Castle, which was established by William the Conqueror in 1068 and transformed into a stone fortress two centuries later

Photographs of a 25-mile structure known as the eye of the Sahara, and an extraordinary cloud emanating from an island in the Indian Ocean

Aerial views offer a fresh perspective on massive concrete arrows scattered across America. Plus, a mysterious hole in the middle of a lake in Southern California

A look at Togo's traditional religious practices and a tour of the incredible Danakil Desert in Ethiopia. Plus, a visit to a city in Georgia where every citizen has a gun

Scientists examine claims that ancient pharaohs used cocaine, and discover how members of a mountain tribe in Mexico can run hundreds of miles for days on end

Stories of ghosts and spirits haunting the White House, where many great historical figures have once resided

Delving into the mysteries surrounding the death of Elvis Presley in 1977, investigating the theories that he remained alive, secretly, for some time afterwards

When circles of reindeer appear in the remote tundra of Sweden, experts investigate if this strange event could be evidence of fatal aftershocks from the Chernobyl nuclear disaster

Some of the most shocking cases connected with the regime's bloody reign, beginning with the case of Hitler's niece Geli Raubal, who was found dead in his apartment in 1931

The murder in 1943 of businessman Sir Harry Oakes in the Bahamas, where the Duke of Windsor was governor at the time, and implicated in influencing the outcome of his murder trial

Experts examine the possibility that life began on Mars and travelled to Earth, and assess the plans aliens may have in store for the human race if they really do exist

Experts open previously off-limits secret files in a bid to answer some of the most mysterious questions surrounding UFOs and extraterrestrial life