In one of the most daring live events in history--Nik Wallenda, known as "The King of the High Wire," traverses the Grand Canyon. Without a harness, this daredevil walked 1,500 feet above the Little Colorado River, a height greater than the Empire State Building!

Each year, hundreds of climbers, with their Sherpa guides, attempt to defy death and scale mighty Mt. Everest. In “Everest Rescue,” follow the world class band of elite helicopter pilots that risk life & limb to save lives at the very top of the world.

Follow Reed Timmer, Sean Casey, and Joshua Wurman as they capture severe weather video and scientific data -- under the most exhilarating circumstances. Discover why someone would risk their lives to get up close and personal with killer storms.

Dave hears pitches from three very different inventors and puts each of their inventions to the test. Do these inventors have what it takes to meet Dave's high standards and to secure a partnership that will change their business, and their lives, forever?

The Tweto family rules Alaska's most dangerous skies. Operating their family-run airline, Era Alaska, they battle unforgiving Alaska weather and terrain to transport life's necessities to the isolated rural inhabitants of the Bering Sea coastline.

Go inside the toughest combat course in the world. US Army Ranger School replicates the nonstop stress of war to forge the Army's elite combat leaders. Candidates sleep little, eat less while running 20-hour missions. Only one in three survives the cut.

Meet the seven brothers of Pelletier Inc., a family with timber in its blood. Each day they lead their workers into woods to claw out a living in the forests of Northern Maine, America.

Vampire killing kits, T-Rex fossil teeth, pink Cadillacs, hot air balloons and more--follow Atlanta auction house owner Paul Brown and crew as they hunt for and auction America's most unusual rarities. Will the seller get a deal or the buyer get a steal?

Follow explosives experts Dr. Braden Lusk and Dr. Paul Worsey as they get a backstage pass to the world's biggest and toughest demolition blasts.

When off-gridders and outdoorsmen need machines to survive and thrive in the wild, they turn to Clint Greathouse and Todd Anderson who create one-of-a-kind backcountry builds using nothing but recycled parts, outdoor ingenuity, and sheer determination.

Lobstermen is an exhilarating look at off-shore lobster fishermen of the North Atlantic. Five captains battle the elements, and themselves, as they work on the edge of the ocean's Continental Shelf.

Bering Sea Gold: Under the Ice follows four teams of men and women diving under the ice of the frozen Bering Sea in their quest for fortune.

Meet a different breed of brothers - Robbie Keszey, an exotic animal expert, and Stephen Keszey, a former city boy learning the ropes. Together, they run Glades Herp Farms, Florida's largest reptile sanctuary and exotic reptile dealership.

No one makes big, bad, gigantic swords like Irishman Michael Craughwell. He's putting it all on the line to make his passion his profession. Joined by a motley crew of artists and builders, this master of steel will attempt to bring to life the stuff of fairytales and legends.

Meet the Cutters, a blue-collar Midwestern family determined to keep their oil company alive amid Ohio's aggressive oil boom and a David vs. Goliath struggle with the big oil corporations.

From detonating 250-pound live bombs from World War 2 to booby-trapped meth labs to armored vehicles for the military, explosives expert Matt Barnett is the man you call for all of your explosives needs.