Narrated by Jeff Bridges, this compelling documentary examines some incredible achievements of engineering from across the globe.
To determine whether we're alone in the universe, astrobiologists look to Jupiter, Mars and, closer to home, extreme environments on Earth.
A British privateer team pushes itself to the limits of human endurance and engineering mastery to compete in the world's most challenging motor race.
This documentary series showcases the biggest and best war machines around the world, while introducing the men and women who operate them.
Guy Martin assists in preparing the last airworthy Vulcan bomber for a farewell tour while revealing the stories behind the iconic aircraft.
This reality series follows Air Force Reserve pilots as they fly into hurricanes to gather data and help chart the paths of unpredictable storms.
This fact-based account delves into humankind's efforts to gather signals from possible intelligent beings beyond the solar system.
This docuseries proves death can be stranger than fiction as it offers a scientific look at a man who drowned in a cat dish and other bizarre demises.
Follow Todd Standing, Dr. Jeff Meldrum and other researchers into the wilderness, where they try to capture definitive proof of Sasquatch's existence.
Using ancient maps and modern geology, a team of highly trained prospectors sets out on a search for the great diamonds of Golconda, India.
Follow engineering teams as they build the most dangerous, complex and amazing structures in modern history, using the latest scientific techniques.
Criminal psychologist Laura Richards profiles men and women who murder their families, identifying warning signs for different types of killers.
This medical documentary series involves viewers in the moving -- and often downright incredible -- stories of emergency-room patients in Canada.
Forensic geologist Scott Wolter explores mysteries, artifacts and relics to reveal a history of the North American continent not taught in school.
Before changing the world as a co-founder of Apple, Steve Jobs was the only one to believe in the firm's success, as explained in this profile.
Learn the full story behind a microscopic discovery that led to momentous consequences in this comprehensive documentary about the atomic bomb.
Four astronomers from England reunite for a 50th anniversary road trip across America while recalling their work for NASA's Apollo space program.
Skeptics and experts discuss photographs and other evidence that suggest the United States government faked NASA's moon landings for political gain.
See what's going on just below the surface of the ocean, and explore how hunters, hiders and other types of sea life use shallow waters.
Concerned that his virginity is a problem, a nervous 26-year-old enrolls in an intimacy program for sexually inexperienced men.
Few people are as courageous as young Luciana Wulken, a 7-year-old who must fight an extremely rare condition that turns her muscles to bone.
This spectacularly filmed documentary follows the journey of modern-day explorers and scientists crossing the rapidly deteriorating Northwest Passage.
Explore the storied history of the iconic Tower of London as it evolved from a royal castle into a dungeon prison and, finally, an armory and mint.
Each episode of this series documents the restoration of an old "warbird" airplane by people who spend all the time and money needed to bring it back.
In the wild or in captivity, animals can attack humans with devastating effect. Zoologist Nigel Marven examines some of the most unusual known cases.
How was the scientific understanding of the ancients so advanced? A team of experts answers this and other questions in this fascinating series.
Follow along as devoted members of the Wildlife Aid Foundation work tirelessly to help sick and wounded animals recover and return to the wild.
This documentary examines theories behind the creation of gamma ray bursts, destructive explosions in space that can wipe out entire star systems.
When a rare form of cancer ravages her face, young model Tambu Makinzi undergoes groundbreaking surgery to have the giant tumor removed.
Martin decides it's time for his young Clydesdales to pull their weight on the farm and travels the world to see how working horses are used today.
Sleep experts explore how the discovery of REM (rapid eye movement) opened up a fascinating new field of research on dreams, sleep disorders and more.
Einstein's Theory of Relativity holds that the speed of light is constant, but some cutting-edge scientists are questioning this fundamental premise.
Self-professed teenage "space nerds" at Space Camp chase their dreams of traveling to Mars, while experts reflect on NASA's history and future.
Sex and technology come together to probe what's pleasurable and what's possible as two inventors compete to build the world's first sex robot.
On a quest to learn more about the elusive manta ray, Martin dives into a tank in the Georgia Aquarium and stakes out a mass feeding in the Maldives.
Never-before-aired NASA footage presents startling evidence that may finally answer the question: Is the moon a secret landing base for an alien race?