Who built Stonehenge and why? Groundbreaking archaeological digs have revealed major new clues about Britain's enigmatic 5,000-year-old site and the people who constructed it.

Professor Alice Roberts follows a decade-long historical quest to reveal a hidden secret of the famous bluestones of Stonehenge. Using cutting-edge research, a dedicated team of archaeologists led by Professor Mike Parker Pearson have painstakingly compiled evidence to fill in a 400-year gap in our knowledge of the bluestones, and to show that the original stones of Britain’s most iconic monument had a previous life. Alice joins Mike as they put together the final pieces of the puzzle, not just revealing where the stones came from, how they were moved from Wales to England or even who dragged them all the way, but also solving one of the toughest challenges that archaeologists face.

One of history's most enigmatic mysteries is unraveled in this fascinating one-hour special. Stunning CGI and spectacular reconstructions reveal a picture of life in Neolithic Europe 5,000 years ago. The result is a challenging and refreshing new theory about how prehistoric ancestors came to terms with a changing world.

Dated to the late Stone Age, Stonehenge may be the best-known and most mysterious relic of prehistory. Every year, a million visitors are drawn to England to gaze upon the famous circle of stones, but the monument's meaning has continued to elude us. Now investigations inside and around Stonehenge have kicked off a dramatic new era of discovery and debate over who built Stonehenge and for what purpose. How did prehistoric people quarry, transport, sculpt, and erect these giant stones? Granted exclusive access to the dig site at Bluestonehenge, a prehistoric stone-circle monument recently discovered about a mile from Stonehenge, NOVA cameras join a new generation of researchers finding important clues to this enduring mystery.

This Traveltalk series short visits an array of locations associated with England's heritage. Included are Runnymede, Windsor, Ascot, Lincoln, Wells, Salisbury, Glastonbury, and the ancient Stonehenge site.

Recent investigations into the human remains found at Stonehenge have provided new insights into the lives of the inhabitants of this highly symbolic site. For the first time, the demise of a prehistoric society can be traced. What can remains from the period between 3,000 and 2,000 BC tell us about life at that time?

Stonehenge is an icon of prehistoric British culture, an enigma that has seduced archaeologists and tourists for centuries. Why is it here? What is its significance? And which forces inspired its creators? Now a group of international archaeologists led by the University of Birmingham and the Ludwig Boltzman Institute in Vienna believe that a new state-of-the-art approach is the key to unlocking Stonehenge's secrets. For four years the team have surveyed and mapped every monument, both visible and invisible, across ten square kilometres of the sacred landscape to create the most complete digital picture of Stonehenge and the surrounding area over millennia. Operation Stonehenge takes the viewer on a prehistoric journey from 8000BC to 2500BC as the scientists uncover the very origins of Stonehenge, learning why this landscape is sacred, preserved and has been revered by following generations.

A terrified toy salesman is mysteriously attacked, and at the hospital, babbles and clutches the year's most popular Halloween costume, an eerie pumpkin mask. Suddenly, Doctor Daniel Challis finds himself thrust into a terrifying nightmare.

A strong-willed peasant girl is sent by her father to the estate of some local aristocrats to capitalize on a rumor that their families are from the same line, but is left traumatised from her experiences.

Old-school magic meets the modern world when young Alex stumbles upon the mythical sword Excalibur. He soon unites his friends and enemies, and they become knights who join forces with the legendary wizard Merlin. Together, they must save mankind from the wicked enchantress Morgana and her army of supernatural warriors.

American professor John Holden arrives in London for a conference on parapsychology only to discover that the colleague he was supposed to meet was killed in a freak accident the day before. It turns out that the deceased had been investigating a cult lead by Dr. Julian Karswell. Though a skeptic, Holden is suspicious of the devil-worshiping Karswell. Following a trail of mysterious manuscripts, Holden enters a world that makes him question his faith in science.

John, a blacksmith and swordsmith, is tutored at Camelot. As a commoner, he can't hope to win the hand of Lady Linet, daughter of the Earl of Yeoniland, so he creates a secret alternate identity as the Black Knight. In this new role, he is now able to help King Arthur when Saracens and Cornish men—disguised as Vikings -- plot to take over the country.

When a group of archaeologists dig up a human skeleton near Stonehenge, an ancient piece of machinery hidden beneath the bedrock is discovered. Not knowing what it could be, the workers accidentally trigger the mechanism and start a chain of events that may very well end the world as we know it

During building work in the city of Baden-Baden in 2015, an evil troll who was transformed into stone in the 15th century, is accidentally brought back to life. To prevent being unmasked, the Troll slips into the body of Vanessa and enslaves her. Vanessa Troll then goes looking for Charlie, the virgin boyfriend of Vanessa's daughter, as The Troll needs his blood to evoke a portal to a magical prison. Will the Troll's plans find success?

This pioneering documentary film depicts the lives of the indigenous Inuit people of Canada's northern Quebec region. Although the production contains some fictional elements, it vividly shows how its resourceful subjects survive in such a harsh climate, revealing how they construct their igloo homes and find food by hunting and fishing. The film also captures the beautiful, if unforgiving, frozen landscape of the Great White North, far removed from conventional civilization.

Commissioned to make a propaganda film about the 1936 Olympic Games in Germany, director Leni Riefenstahl created a celebration of the human form. This first half of her two-part film opens with a renowned introduction that compares modern Olympians to classical Greek heroes, then goes on to provide thrilling in-the-moment coverage of some of the games' most celebrated moments, including African-American athlete Jesse Owens winning a then-unprecedented four gold medals.

Commissioned to make a propaganda film about the 1936 Olympic Games in Germany, director Leni Riefenstahl created a celebration of the human form. Where the two-part epic's first half, Festival of the Nations, focused on the international aspects of the 1936 Olympic Games held in Berlin, part two, The Festival of Beauty, concentrates on individual athletes such as equestrians, gymnasts, and swimmers, climaxing with American Glenn Morris' performance in the decathalon and the games' majestic closing ceremonies.

Capturing John Lennon, Paul McCartney, George Harrison and Ringo Starr in their electrifying element, 'A Hard Day's Night' is a wildly irreverent journey through this pastiche of a day in the life of The Beatles during 1964. The band have to use all their guile and wit to avoid the pursuing fans and press to reach their scheduled television performance, in spite of Paul's troublemaking grandfather and Ringo's arrest.

Working men and women leave through the main gate of the Lumière factory in Lyon, France. Filmed on 22 March 1895, it is often referred to as the first real motion picture ever made, although Louis Le Prince's 1888 Roundhay Garden Scene pre-dated it by seven years. Three separate versions of this film exist, which differ from one another in numerous ways. The first version features a carriage drawn by one horse, while in the second version the carriage is drawn by two horses, and there is no carriage at all in the third version. The clothing style is also different between the three versions, demonstrating the different seasons in which each was filmed. This film was made in the 35 mm format with an aspect ratio of 1.33:1, and at a speed of 16 frames per second. At that rate, the 17 meters of film length provided a duration of 46 seconds, holding a total of 800 frames.

Filmed just over a century after the first tank battle in 1918, this documentary series explores how the vehicles forever changed warfare.