
The Lone Star's rugged canyons, historic ranches and modern cities.
Northern state's green forests; red-painted barns and sugar maples.
Louisiana's wetlands and underwater oil fields.
Father-son aviators battle turbulence to refuel a remote mine, bush pilots fight an aerial jam to reach Alaska's biggest sled race, and the Coastguard turn a C-130 into a bomber to drop supplies on an isolated beach.
Fish and Wildlife aviators battle Arctic conditions to track down a polar bear population, a bush pilot races fading daylight to save a business, Anchorage field crews battle to clear an icy runway, and CBP officers investigate.
Engineers create impossibly shaped buildings: Albany's Egg, a huge, sculpted theatre space, fit for a Rockefeller; a floating fortress in LA, protecting $2bn in art; and giant New York offices towering over America's busiest com.
Alaska Airlines 261 nosedives into the Pacific leaving investigators stumped; a rare storm and a deadly design flaw intersect cause American Eagle 4184 to fall from the sky; investigators suspect a fatal flaw in the Boeing 737.
When basketball legend Kobe Bryant is killed in a helicopter crash in Calabasas, investigators examine the data, the wreckage, and the pilot's actions for clues.