A fully-loaded EI-AL 747 flight from Amsterdam, loses the two engines on the right wing and crashes into an apartment block.

A massive explosion at a nuclear reactor spread radioactive gas and debris over Western Europe.

One minute after takeoff an airliner crashes into a Washington, D.C., bridge and sinks into the icy Potomac River, killing 78 people in 1982.

Forensic analysis and a groundbreaking experiment reveal a structural oversight that may have led to a critical failure in Titanic's hull.

The Lian Yak Building in Singapore collapses on March 15th, 1986, trapping 50 people inside.

Shortly after takeoff an engine fails on a Boeing 737 causing the plane to crash onto a busy freeway killing 47 people.

On Sept. 11, 2001, terrorists fly American Airlines Flight 77 into the Pentagon, killing 189 people.

Flight 191 leaves Chicago on May 25, 1979, and crashes into a trailer park 31 seconds after take-off, claiming the lives of 273 people.

Investigation into the cause of a tragic accident that claimed the lives of 109 passengers and crew.

A plane crashes into a residential area of New York City two months after the Sept. 11, 2001, terrorist attacks.

In 1995, the Soufriere Hills volcano in Montserrat erupted for the first time in recorded history leaving many villages burned and 19 people dead.

Catastrophic incidents in aviation history are meticulously re-enacted, providing insight into what went wrong and if the crashes and near-disasters could have been prevented. Accounts from survivors combine with cockpit recordings and computer images to weave the gripping tales, and expert testimony reveals the hows and whys behind the events, some of which have resulted in important changes to aviation safety and regulations.

Statistically, traveling by airplane is safer than driving and other forms of transportation, but when something goes wrong during a flight, it can be catastrophic with potentially hundreds of lives at stake. This series examines some of the world's worst air disasters, using official reports, transcripts and interviews with people involved to tell the stories of midair mishaps and discover what went wrong in each case. Episodes include a discussion of how the weather affects flights -- including stories of aviation disasters and near-misses -- and a New Year's Eve flight that fell from the sky into the Florida Everglades.

Catastrophic incidents in aviation history are meticulously re-enacted, providing insight into what went wrong and if the crashes and near-disasters could have been prevented. Accounts from survivors combine with computer images to weave these gripping tales, and expert testimony reveals the hows and whys behind these events, some of which have resulted in important changes to aviation safety and regulations.

Your car got booted while you were in the laundry discovering that they lost your favorite shirt. In short, it's been a lousy day. But it could be worse, as this unsettling series proves, using state-of-the-art computer animation to revisit past disasters and then depicting how a repeat of the catastrophe would affect the modern world.

"Naked Science" strips away the layers of a scientific investigation into one of the big mysteries of our time, revealing through expert analysis realistic scenarios that either confirm or deny long-held assumptions and misconceptions.

This award-winning series presents compelling untold stories and covers a wide array of provocative subjects. "Explorer" aired for 25 years -- the longest-running documentary series in cable TV history -- before being relaunched in 2015 after a five-year hiatus. Each monthly episode of the new "Explorer" takes a similar deep dive inside a story from the pages of a recent National Geographic magazine issue, taking viewers not only to the most remote corners of the globe but also to the furthest reaches of the mind and deepest crevices of history -- on urgent missions of discovery.

How did we get here? How did humankind evolve from apes swinging in trees to astronauts walking on the moon? National Geographic's eight-part time-travel adventure series delves deep into history to highlight pivotal "origin" moments that fundamentally and irrevocably created modern living. Host Jason Silva ("Brain Games") guides viewers through a dazzling audio-visual portal to explore these events, such as the discoveries and applications of fire, medicine, money and transportation, while experts across each field inject commentary. The series also incorporates scripted storytelling and documentary sequences.

Rituals and customs accepted in one culture may be thought of as downright bizarre in another. "Taboo" delves into that dichotomy, taking viewers across cultural borders to explore traditional beliefs and deliberate lifestyle choices, ranging from body modification and gender decisions to nudity and spiritual quests that test the limits of the human body.

Dr. Brady Barr, a herpetologist by trade, travels all over the world to study reptiles and other creatures in their native habitats, often risking his life in the process. His mission is two-fold: to collect as much information as possible about the animals he studies and to inform the public about the state of the planet and the risk of extinction many animal species face. And, of course, there's another benefit to all his work: It makes great TV.