

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.

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.

When a commercial airliner goes down in eastern Ukraine in 2014, examiners must conduct an investigation in the middle of a war zone.

A miraculous rescue is launched after a 747 plummets toward the Pacific.

The U.S. Aviation Weather Center in Kansas City, Miss.; the importance of accurate weather forecasting to the aviation industry.

The consequences are disastrous when ice forms on an airplane's wings; three planes are brought down by ice, and it's up to investigators to determine how modern aircraft could possibly end up with frozen wings.

The cockpit window of an Airbus A319 explodes; pilots miraculously land the out-of-control plane; investigators must determine how the freshly serviced aircraft was released with a fatal flaw.

Three flights ending in tragedy, prove that minor missteps during takeoff can have disastrous consequences.