Dangerous since 1896" is the saying that shrouds one of the country's most notorious prisons. Tucked in a remote section of the Cumberland Plateau and surrounded by miles of rough terrain, the prison once housed Martin Luther King Jr.'s assassin, James Earl Ray, where he escaped more than once.
What started in the 1970s as a gathering of hippies became what is known as the whitewater industry and Steep Creek Kayaking. Where boaters are pulled underwater by rapids, spit out downstream and come back for more.
The FAST radio telescope is the biggest ever built—and can detect signals emitted tens of thousands of light years away. From technological innovations to architectural challenges and first results, follow each step that gave birth to a tool designed to prove we aren’t alone in the universe.
From the arctic tundra to the great planes, the kingdom of the wolf extends across the entire northern hemisphere. They are icons of the wilderness, spectacular creatures that live and die by the sword.
We all know antelopes as the prey of lions. They represent food to many of the predators of the plain and so it’s hardly surprising that they stick together in groups, seeking safety in numbers, with more pairs of eyes to spot danger.
The faint red glow of Mars has intrigued those watching it from Earth for centuries. Now space exploration has begun to lift the veil on "The Red Planet", and upcoming missions to Mars are looking at Mars as a potential habitat for humans. Can we move to Mars in the next decade?
From the early attempts for the Great War to the visionary offerings to assist in space flight, aircraft designers have turned to unorthodox twin boom concepts as a viable option.
For over 35 years, the Sikorsky Blackhawk has been a reliable war horse for the U.S. Armed Forces–charging into hostile territory from the deserts of Iraq to the mountains of Afghanistan. After decades of upgrades, it remains one of the world's most sophisticated aircraft.
In Africa’s Great Rift Valley, lies a mysterious, toxic lake. Lake Natron’s red water reaches hellish temperatures and its chemistry is similar to ammonia. Yet despite the deadly conditions, a few species manage to do more than just survive -- they thrive.
Examining how renewed excitement about returning to the moon could lead to a colony.
With Germany's FW 190 terrorizing the skies of Europe, Britain and America merge the P-51 Mustang and the super Merlin engine to create the ultimate fighting machine.
The Lockheed Constellation, known as the "Connie," was one of the most elegant and aesthetically-pleasing aircraft to ever take flight. The iconic American airliner was the end product of a four-decade long search for the perfect airliner.
Host Derek Muller uncovers the mind-blowing secrets of spider vision! Discover how advanced color vision in jumping spiders has evolved in so many unique ways, and explore the wide spectrum of colors in their hidden world. You won't believe what these tiny creatures can see!
The F4U Corsair was an iconic and versatile fighter-bomber in both World War II and Korea. Could a modern jet live up to that reputation? The Vietnam-era A7 Corsair was designed more for an attack role than its legendary namesake, but it was every bit as successful.
This film reconstructs the life of famed marine biologist and environmental pioneer Jacques Cousteau using a fascinating mix of wildlife footage, archive material and re-enactments.
The Mona Lisa by Leonardo da Vinci is one of the most famous paintings in the world. Her real name according to art history is “La Gioconda”. For many years though, there have been doubts: why did Leonardo not hand the portrait on to the commissioner if it was a picture of his wife?
About 30 kilometers from Cairo, the necropolis of Saqqara holds one of Egypt’s most fascinating treasures: the pyramid of Pharaoh Pepi II. Although closed to the public, it holds the largest collection of texts ever discovered in a pyramid.
Every year, there are 2 million visitors to the Great Smoky Mountains National Park. People come from all over the world to catch a glimpse of the blue haze that gives the park its name or a black bear scurrying into the woods. Most people don’t realize that there is a whole world to be discovered.
Pearls are the only gems created by a living creature, and perfect specimens are priceless. The most valuable are born inside black-lipped oysters in the South Pacific. Known as Tahitian black pearls, for some, they become an obsession.
Follow the days and minutes leading to the 2019 White Island volcanic eruption, which killed 22 people and left 26 more with life-changing injuries. Eyewitnesses recount the disaster–showcasing the unpredictability and danger of nature–and scientists investigate whether this tragedy was avoidable.
A behind the scenes look at the making of Fighting For Lincoln: The Wide Awakes.
What can the animal kingdom teach us about love? Whether it's dancing, making bouquets, or running baths, there's a lot we can learn about romance.
Torch-lit marches down Main Street... at first glance, images like these conjure up some of America's darkest moments. But this wasn't the Klan. These black-clad torch-bearers were the Wide Awakes: a para-military political machine that some say delivered the presidency to Abraham Lincoln.
We may not always be able to see them, but trust us, they're there. This is the story of the wildlife that may as well be our roommates. From the first cockroaches who shared our caves to the not so “sterile” homes of those living on the international space station.
