They're the scenes that take our breath away - the shots that keep us spellbound - real moments of extraordinary danger - amazingly, captured on film. Welcome to National Geographic's Most Dangerous Moments. From an elephant on the rampage and a tornadothat levels a town to big blow-ups and mind-blowing rituals, witness staggering moments where life hangs in the balance. So hold on tight, as we bring you some of the most hair-raising moments ever captured on film.

National Geographic Dangerous Encounters Venomland 720p HDTV x264-SomeTV

The precious, sparkling stone forged in the heat of the Earth has long been a symbol of love. But how many people who buy them at great price and sport them on fingers and necks realize that there is a dark side to diamonds? That in some parts of the world diamonds are wrestled from the ground in dangerous conditions by some of the world’s poorest people? That the tiny size and relative anonymity of diamonds can make them the ideal means to fund war, terrorism, and criminal syndicates?

World's Toughest Fixes takes on some of the most dangerous, unique and oversized repair jobs in the world. Whether dangling from ropes hundreds of feet in the air or diving beneath a bridge with a shaky foundation, host Sean Riley tackles fix-its on a monster scale. Combining the real-life drama of big fixes with state-of-the-art CGI animation, each program in this full, 10-episode collection illustrates in vivid detail the high-tech tools and techniques used to engineer solutions and salvage projects on a scale few of us can comprehend.

World's Toughest Fixes takes on some of the most dangerous, unique and oversized repair jobs in the world. Whether dangling from ropes hundreds of feet in the air or diving beneath a bridge with a shaky foundation, host Sean Riley tackles fix-its on a monster scale. Combining the real-life drama of big fixes with state-of-the-art CGI animation, each program in this full, 10-episode collection illustrates in vivid detail the high-tech tools and techniques used to engineer solutions and salvage projects on a scale few of us can comprehend.

In the Florida Everglades, National Geographic rides along with the staff of Billie Swamp Safari considered among the best wild animal wranglers for face-to-face encounters with the more than 1,600 animals that roam wild. The Swamp Men patrol the land, relocate animals from dangerous situations, and rescue animals in need including crocodiles, alligators, a wild hog, a hungry black bear, a herd of ornery American bison, and an endangered Florida panther.

National Geographic examines the dangerous reality of private security contractors working in Iraq. where every mission could be their last.

Extreme performers such as glass eaters and sword swallowers push the human body to extraordinary limits. But how do they do it? Humanly Impossible follows a team of doctors and scientists to reveal the physiology behind bizarre and dangerous stunts that surpass average human capability. Doctors investigate The Great Nippulini to find out how he lifts up to 70 lbs. using only his nipples.

Extreme performers such as glass eaters and sword swallowers push the human body to extraordinary limits. But how do they do it? Humanly Impossible follows a team of doctors and scientists to reveal the physiology behind bizarre and dangerous stunts that surpass average human capability. Doctors investigate The Great Nippulini to find out how he lifts up to 70 lbs. using only his nipples.

National Geographic investigates the root causes and eventual effects of stress.In Stress: Portrait of a Killer, scientific discoveries in the field and in the lab prove that stress is not a state of mind, but something measurable and dangerous.