When Germanwings Flight 9525 crashes in the French Alps, investigators discover shocking truths about the co-pilot's mental health.

When a cargo plane crashes at a U.S. airfield in Afghanistan, investigators reach a conclusion that ultimately proves incorrect.

A captain's decision leads to a deadly stall over the Java Sea.

Pilots attempt to land their Boeing 737 in an Indonesian river after losing their engines and electrical power.

The first-ever 767 plane crash in history: Lauda Air Flight 004.

A Colorado commuter flight crashes five miles short of the runway, and the reasons why rock the airline industry.

The crew of a commuter flight over France makes a sightseeing detour that sets off a deadly chain of events.

An investigation into Continental Airlines Flight 1713, which crashed on takeoff from Denver during a snowstorm in 1987, changes commercial flight forever.

After a seemingly routine landing, a Boeing 737 erupts in flames, putting 165 debarking passengers and crew in jeopardy.

Two 747s collide on the runway of a small airport in the Canary Islands, resulting in history's deadliest air crash.

The FBI and NTSB join forces to determine how terrorists hijacked American Airlines Flight 77 and flew it into the Pentagon on September 11, 2001.

Investigators try to figure out why a private Learjet carrying golf legend Payne Stewart went rogue before crashing in a South Dakota hayfield.

When an A300 stalls and crashes just before landing in Japan, fears arise about the plane's complex automated systems.

A new investigation sheds light on the controversial 1961 plane crash that killed U.N. Secretary-General Dag Hammarskjöld.

Atlantic Airways Flight 670 careened off the runway and became engulfed in flames.

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

When the crash of a commuter plane in Georgia killed a NASA astronaut, a four-term U.S. senator and 21 others, the disaster grabbed headlines around the world.

Almost immediately after taking off from Madrid International Airport, Spanair Flight 5022 banked to the right, slammed into a creek and burst into flames.

An Alitalia airliner crashes into a forested hillside just a few miles from a Zurich runway.

The two-man crew of a UPS cargo jet must attempt an emergency landing when a fire in the cargo hold fills their cockpit with smoke.

TAM flight 402 slammed into a residential neighborhood and burst into flames, just seconds after lifting off from Congonhas airport in São Paulo, Brazil, killing all 95 people on board and three people on the ground.

Advanced computer graphics, forensic science, eyewitness accounts, interviews with experts, archival footage and re-enactments piece together in great detail the events that led to some of the biggest disasters of modern time.

Taking to the sky in an airplane can be dangerous when the weather doesn't cooperate. This documentary series investigates aviation accidents and how the elements contributed to them. Interviews with witnesses and survivors, testimony by experts, and data from the plane's black box aid in exploring each incident. The FAA's case files are used to create animations to diagram what happened before each crash. Fog, haze and hail are some of the weather conditions responsible for the disasters.

"X-Ray Mega Airport" uses the latest technology to reveal the inner workings of Frankfurt Airport in Germany. The series employs computer-generated imagery to demonstrate what is underneath the surface of a plane, the internal space of a cargo-carrying truck, and even exposes what goes on in the minds of passengers and crew during a flight. The brain waves of a pilot are documented as he attempts to land an aircraft in crosswinds, and engineers are seen working on an Airbus A380's engine. Other episodes include the operations behind movement of luggage, how the conveyor belt system works and how controllers can single out pieces of luggage among thousands.

Billion-dollar cruise ships, secret submarines, high-tech ocean dredgers, floating state-of-the-art hospitals -- all are part of the cutting-edge vessels featured in this series, which reveals everything from the mechanics of modern sea-going to the human drama seafarers face.

Embark on an exciting excursion around the globe to explore breathtaking landscapes. Experience the different modes of luxury that passengers can take on these great locomotives. Teddy Wilson, host and narrator describes Japan's trains as, "Japan Rail has devised an ingenious system of sensors and centralized operations -- a system so successful that during the devastating earthquake in 2011 every bullet train in the Shinkansen system was stopped in its tracks before the earthquake struck, keeping passengers on the bullet trains safe." From luxury to vintage to high-speed and even revolutionary these great trains navigate Canada's terrain, Japan's earthquake zones and every place in between. Jump behind the scenes with the engineers and crews as they travel to distant locales.

This documentary series focuses on extreme construction projects -- be they the biggest, tallest, longest or deepest in the world -- and the machines used to create extraordinary structures. Episodes include the people responsible for the cutting-edge design and engineering of each build, talking about how concept transformed to reality. The processes that go into staffing and operating the modern marvels once they are completed are also covered.

To soar through the skies is a dream. Modern technology has allowed human beings to take to the skies and while plane crashes are rare, there's still the issue of near misses. These technological advances are capturing these near misses on camera and cockpit recordings to provide insight as to the terror they can cause. See how pilot errors, technical failures, massive storms and small mistakes can place passengers into life or death situations and the why of these incidents and how to prevent them from reoccurring.