Sky History 2 Thursday

Ancient astronaut theorists who suggest that aliens have been guiding mankind in secret to bring about huge leaps in technological advancement

As science turns towards augmenting humanity with technology, theorists suggest that society is merely following the path of its alien creators

Using a 1940s map, the team races season-ending weather through unexplored terrain to find an X that marks the spot where Slumach possibly found his gold

Andy McGrath heads to the home of palaeontology on Dorset's Jurassic Coast and braves the collapsing cliffs of Lyme Regis to bring back one of its many fossils

The River Hunters head to Canterbury, where they're granted special permission to search the River Stour for relics left behind by 12th-century pilgrims in the River Stour

Ancient astronaut theorists who suggest that aliens have been guiding mankind in secret to bring about huge leaps in technological advancement

As science turns towards augmenting humanity with technology, theorists suggest that society is merely following the path of its alien creators

A look at America's network of national parks, vast, dense expanses of virtually unexplored wilderness, starting with the area around the Grand Canyon

A plane crash in the Everglades National Park leads to strange hauntings - and some believe the park may exert a dark, transformative power

Andy McGrath heads to Scotland, learning about a terrifying family of cannibals who used to prey upon weary travellers, and the prehistoric origins of the Loch Ness monster

The Supermarine Spitfire, a British single-seat fighter aircraft that was used by the Royal Air Force and other Allied countries before, during, and after the Second World War

The quest continues in the Red Sea off the coast of Egypt, a deeply personal journey given Ross' grandfather fought in the North Africa campaign during the Second World War

The team uses high-tech sidescan sonar and deep sea magnetometers to search for evidence after learning of an encounter with an underwater phenomenon

A beat-up 1968 Bronco requires a substantial makeover in North Carolina, while in Minnesota, a trashed Trans AM proves hard work when it gets back to the shop

In Minnesota, a cigarette-infested Dodge Charger receives a makeover, while a foul-smelling Acura comes clean in Georgia

A mysterious Saharan crater, seen from space, that hides a brutal past. Plus, strange craters in the English countryside, human sacrifice and the hunt for Bad King John's treasure

The 1928 discovery of a row of seven-foot statues encasing mummies from an ancient civilisation, standing 213 metres above a valley floor in Peru

A look at the discovery of various sites where Vikings had buried treasure, examining why they did it and where the loot came from originally

Predicting the fate of priceless artefacts such as the Mona Lisa, the Declaration of Independence and the Liberty Bell in a world without humans

More mysterious sigtings in medical facilities. A nurse receives a warning from a 'ghost doctor', while another has an encounter with the 'Angel of Death'

Ancient astronaut theorists who suggest that aliens have been guiding mankind in secret to bring about huge leaps in technological advancement

As science turns towards augmenting humanity with technology, theorists suggest that society is merely following the path of its alien creators