Walking Hadrian’s Wall with Robson Green

Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.

Told from the perspective of the rebel leaders, the series chronicles a wave of rebellions against absolute power by those the Roman Empire called “barbarians” – tribes they viewed as beyond the fringe of civilization that lived a brutish and violent existence. But these also were men and women who launched epic struggles that shaped the world to come with a centuries-long fight to defeat the sprawling empire.

TV's most-watched history series brings to life the compelling stories from our past that inform our understanding of the world today.

In a docuseries set at one of NCAA football's most fertile recruiting grounds, guys with red flags seek to prove their worth on the field and in class.

Best friends Ewan McGregor and Charley Boorman gear up for their fourth Long Way series—this time going from Ewan's home in Scotland to Charley's in England. They'll take the scenic route, of course, through 17 European countries on cranky old bikes.

Come one, come all to The Circus. This real-time documentary series pulls back the curtain on the current political stories, revealing the intense, inspiring and infuriating stories behind the headlines. Key characters and events are presented in real time, as they are happening.

Explore the explosive life of Mike Tyson — one of the most feared and fascinating figures in sports history.

This docuseries captures the remarkable rise and unprecedented success of one of the most dominant and iconic franchises in professional sports. Featuring exclusive access to the Buss Family and probing, revealing interviews with players, coaches, and front office execs, this series chronicles this extraordinary story from the inside – told only by the people who lived it.

Follow the legend's epic journey through five World Cups, culminating in 2022's triumph. As the championship run unfolds, Messi shares some of his most personal reflections—on his national team career and the challenges he's faced.

A British genealogy documentary series in which celebrities trace their ancestry, discovering secrets and surprises from their past.

Featuring rare footage and interviews with CIA insiders, this edge-of-your-seat documentary series traces the epic hunt for Osama bin Laden.

A rare look at warring animal clans battling for survival in a remote region of Africa, which is drying up after years of flood-soaked abundance.

With series creator Lauren S. Hissrich as your guide, take an in-depth journey into the stories and themes powering the first season of The Witcher.

Consistently stunning documentaries transport viewers to far-flung locations ranging from the torrid African plains to the chilly splendours of icy Antarctica. The show's primary focus is on animals and ecosystems around the world. A comic book based on the show, meant to be used an as educational tool for kids, was briefly distributed to museums and schools at no cost in the mid-2000s.

PBS' premier science series helps viewers of all ages explore the science behind the headlines. Along the way, NOVA demystifies science and technology, and highlights the people involved in scientific pursuits.

Have you ever wondered what goes on behind the scenes of the most legendary monuments and powerful organizations in the United States? America’s Book of Secrets lifts the veil of mystery, giving you unparalleled access to historical narratives and insider information previously hidden from the public. Through in-depth research and exclusive channels, this series delves into a variety of familiar but enigmatic American institutions, from the FBI and the Pentagon to Fort Knox and Area 51. Go beyond the locked doors and security checkpoints of government agencies, famous landmarks and stealthy societies to glimpse the hidden worlds you were never intended to see.

Hosted by Morgan Freeman, Through the Wormhole explores the deepest mysteries of existence - the questions that have puzzled mankind for eternity. What are we made of? What was there before the beginning? Are we really alone? Is there a creator? These questions have been pondered by the most exquisite minds of the human race. Now, science has evolved to the point where hard facts and evidence may be able to provide us with answers instead of philosophical theories. Through the Wormhole brings together the brightest minds and best ideas from the very edges of science - Astrophysics, Astrobiology, Quantum Mechanics, String Theory, and more - to reveal the extraordinary truth of our Universe.

This compelling series investigates the motives and m.o. of female murderers. While males are often driven by anger, impulse and destruction, women usually have more complex, long-term reasons to kill.

From the locker room to the pitch, this docuseries offers exclusive access to all 32 teams as they fight for football glory in the 2022 FIFA World Cup.

Life's extraordinary journey to conquer, adapt and survive on Earth across billions of years comes alive in this groundbreaking nature docuseries.

Experience a never-before-seen thru-hike adventure as a team of strangers embark on a hiking journey across America’s Pacific Northwest National Scenic Trail, which wends its way 1,200 miles from the mountains of Montana to the Olympic coast in Washington.

Explorer Levison Wood sets out to walk the length of the world's highest mountain range, from Afghanistan to Bhutan.

In the glorious setting of the Lake District, the lives of local farmers, food producers and crafters, whose work is sold at the celebrated, family-run Tebay Service Station, are followed.

Be immersed in nature's beauty. Discover Hokkaido at its wildest and best as our presenter guides you through its amazing experiences.

Julia Bradbury sets out on four walks that explore South Africa's claim to be 'a world in one country', going far beyond the normal tourist destinations to a series of increasingly remote locations.

From falls on the fells to mountainside mishaps, the Lake District Mountain Rescue Association head out to bring home the lost, injured and stricken.

Lars Monsen is challenged in what he does best, surviving in the wilderness. Blindfolded, he is left alone somewhere in Scandinavia. The only thing he knows is the mission: survive, and find his way to the target location within five days.

Knowledge Original series that follows the heroic members of Canada's busiest volunteer search and rescue team as they set off by foot and helicopter to rescue people from the rugged wilderness of North Vancouver. (NSR)

Robson Green embarks on a series of unforgettable adventures along some of the world's most awe-inspiring trails.

Straight through Belgium is a 4-part adventurous television show, created by television-creator Arnout Hauben. Together with Philippe Niclaes (camera) and Ruben Callens (drone and sound) Hauben follows the GR129, the longest signposted hiking-trail in Belgium. The trail is 500 kilometers long and goes all the way through Belgium from Bruges to Aarlen. Arnout, Philippe and Ruben go "back to basics" for this show and travel with backpack and tents. They complete the trail in 23 days, travelling about 20 km per day. Along the way, Arnout Hauben stops at several special locations with each its own story. He tells stories about Belgian history, but also about lesser-known "petites histoires".

Simon Reeve travels through the glorious Lake District and breathtaking Cumbria, revealing the secrets of this iconic part of Britain.

Miriam Margolyes and Alan Cumming roll back the decades and return to their Scottish roots. Part rediscovery, part revelation, we follow them as they take to the road and motorhome their way through Scotland's Highlands and into its wildest places.

Julia Bradbury takes her boots and backpack to the Continent to explore the landscape of Germany and the cultural movement that made it famous - Romanticism

Motion features host Greg Aiello as he explores a variety of outdoor activities. From the Channel Islands in California to Bryce Canyon National Park, Maui, and Big Sur, Aiello takes a Nature-lovers perspective on exploration. Often times filmed solely by Aiello himself, the show acts as a guide on how to adventure to less-traveled places. Camping on a budget, kayaking with friends, and hiking mountains with safety cables are examples of Aiello's hobbies that are documented for viewers to see. Each half hour episode takes viewers to a location off the beaten path, with directions on exactly how to get there. With summer and winter vacations highlighted, Motion is produced with the average outdoorsmen in mind. Aiello narrates throughout, providing an inside look into his climbing, hiking, photography, and general fitness abilities.

Julia Bradbury dons her walking boots to explore her own British backyard, travelling along the country's network of canals and their accompanying towpath trails.

Lars Monsen travels to the Cap of the North to spend one full year in the arctic wilderness of Norway, Sweden and Finland.

Julia Bradbury follows in the footsteps of guidebook writer Alfred Wainwright by walking across the whole of northern England from the west to the east coast