Narrated by Jeff Bridges, this compelling documentary examines some incredible achievements of engineering from across the globe.
Doctors, farmers, chefs and others weigh in on the controversial ketogenic diet and its potential to eradicate common illnesses.
The Nazi regime built systems and infrastructure on a scale the world had never seen. From propaganda to death trains, they are now all uncovered.
To determine whether we're alone in the universe, astrobiologists look to Jupiter, Mars and, closer to home, extreme environments on Earth.
Renowned ocean explorer Dr. Bob Ballard takes viewers to the deepest parts of the ocean, where priceless treasures both natural and man-made lurk.
Guy Martin assists in preparing the last airworthy Vulcan bomber for a farewell tour while revealing the stories behind the iconic aircraft.
A surgeon claims to remove high tech microchips that aliens used to manipulate the human race. This documentary seeks to separate fact from fiction.
This fact-based account delves into humankind's efforts to gather signals from possible intelligent beings beyond the solar system.
Follow Todd Standing, Dr. Jeff Meldrum and other researchers into the wilderness, where they try to capture definitive proof of Sasquatch's existence.
Ob-gyn Dr. Pamela Dee Gaudry presents a frank discussion about the effects of menopause on sexual health and the best methods to reclaim intimacy.
An international group of filmmakers sets out on a mission to get up close and personal with a family of elusive snow leopards.
This series offers a fresh perspective on some of the most unique and beautiful buildings, structures and bridges from around the world.
In interviews and reenactments, ordinary people relive their terrifying encounters with unwelcome guests from beyond the world of the living.
Learn the full story behind a microscopic discovery that led to momentous consequences in this comprehensive documentary about the atomic bomb.
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 film follows residents of a Seattle drug treatment facility who join a yearlong rehabilitation program that trains them to scale Mount Rainier.
Farmers, scientists and nutritionists weigh in on just how gluten intolerance came about and find modern processes may be the culprit.
This spectacularly filmed documentary follows the journey of modern-day explorers and scientists crossing the rapidly deteriorating Northwest Passage.
Self-professed teenage "space nerds" at Space Camp chase their dreams of traveling to Mars, while experts reflect on NASA's history and future.
Follow engineering teams as they build the most dangerous, complex and amazing structures in modern history, using the latest scientific techniques.
This documentary examines the world of legal marijuana and analyzes the science behind the medical properties of the world's most-used illicit drug.
Archaeologist Sarah Parcak follows clues to early Viking explorations and discusses just what these notoriously fierce warriors were really like.
This series examines the aerodynamics of flight and the evolutionary processes that have enabled certain species to survive by taking to the skies.
Sir David Attenborough examines a recently discovered collection of dinosaur fossils. CGI and 3-D scans reveal what the beast may have looked like.
Uncover fascinating new information about the 'lost' underwater city of Atlantis, a legend that has long mystified scholars and explorers.
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.
This series investigates mysteries that persistently elude scientific explanation, such as mythical creatures, UFOs, sacred sites and more.
Experts and coders alike examine gender and racial inequities in the computer science world and spotlight efforts to correct the imbalance.
Four astronomers from England reunite for a 50th anniversary road trip across America while recalling their work for NASA's Apollo space program.
In the wild or in captivity, animals can attack humans with devastating effect. Zoologist Nigel Marven examines some of the most unusual known cases.
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.
Experts share their insights about infamous murder cases, acts of terrorism, government corruption and other shocking crimes.
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.
Criminal psychologist Laura Richards profiles men and women who murder their families, identifying warning signs for different types of killers.
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.