Tragic story from the Vietnam War when over 250 children, who were being airlifted to safety on a US Air Force C5A Galaxy, died in a mysterious explosion.

Saudi Airways and Kazakhstan Airlines jets hit each other at 14,000 feet sending both planes spiraling to the ground.

In September 1989, Partnair Flight 394 crashed into the sea killing all 55 people on board.

The tragic circumstances surrounding the bombing of Pan Am Flight 103 by terrorists.

After taking off from Taiwan, a China Airlines 747 suddenly disappears from radar and crashes, killing 225 people.

Experts investigate the collision of two planes over the Grand Canyon in 1956, uncovering a frightening problem that threatened the entire aviation system.

Minutes before they're scheduled to land in Zurich, the pilots of a routine passenger flight can't find the runway. They abort and power up the engines in order to climb, but they are too late.

In the worst U.S. crash in more than seven years, a Buffalo-bound flight stalls and plummets into a suburban home in 2009.

Two minutes after Scandinavian Airlines Flight 751 leaves Stockholm in 1991, smoke filters through the cabin and both engines fail, one erupting into flames.

Shortly after take-off, US Airways Flight 1549 encounters a bird strike and lands on the Hudson River.

British Airways' flight number 38 suffers from double engine failure and crashes near Heathrow in 2008.

A design flaw sends American Eagle Flight 41-84 smashing into a cornfield outside of Chicago, killing all 68 people on board.

Adam Air Flight 574 crashes into the Java Sea after leaving Indonesia on New Year's Day 2007.

Investigators discover a shocking mistake when pilots must ditch their plane in the Mediterranean, killing 14 of the 34 passengers.

Investigation into the 2009 crash of Turkish Airlines Flight 195. Just before landing in Amsterdam, the plane mysteriously fell from the sky, killing nine people.

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.

"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.

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.

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.

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.

This series unveils the engineering secrets of various iconic megastructures that went on to spark a technological revolution, ultimately changing warfare forever. The Nazis built some of the biggest and deadliest pieces of military hardware in history. Adolf Hitler hired men like Wernher von Braun, Ferdinand Porsche and Alfred Krupp to build huge terror machines, high-tech superguns and weapons of mass destruction.