In the Pacific Northwest, Jared Douglas and his logging crew risk life and limb to harvest the planet’s remote and valuable trees, but getting these giants from the forest to market is deadly.

Whether it's a cheating ex, a double-crossing co-worker, or the best friend who stabbed you in the back, it's human instinct to want to get even. Though most people don't act on this impulse, there are those who are consumed with getting even. For them, what starts as a nagging bitterness evolves into obsession and results in murder. This true crime documentary series profiles those stories of revenge, told through gripping interviews with the family members, community members, and law enforcement who experienced the events firsthand.

Behind every great genius was a great rival - an unstoppable adversary whose incredible vision, determination, and ambition is their match. Out of their struggles came the world's most brilliant inventions, the spoils of the heated battle between competitors.

Detectives work the most daunting cases in modern law enforcement and uncover killers whom no one would ever have suspected.

Most stories end with the crime, but sometimes the crime scene represents just the tip of the iceberg. From a murder scene that tipped police off to a polygamist secret society to a random house fire that revealed family secrets that had been buried for decades, Pandora's Box: Unleashing Evil uncovers gripping investigations that get more sordid as every piece of evidence is examined.

Witness iconic assaults, intense battles, and intimate moments of the Pacific War, in color.

See the ultimate guide to the Solar System from the dedicated people who sent spacecraft to explore the sun and the planets, and witness their astonishing tales of discovery as they reveal wonders never seen before.

The history and technology behind a fleet of remarkable machines from around the world.

“The Earth Unlocked” explores the mystifying planet Earth whose remarkable natural wonders are forged by extreme weather, constant geologic change, and biological evolution. Each episode delves deep into the complex past and present of Earth's natural wonders, revealing secrets, truths and treasures hidden within for billions of years. The series unveils the science behind the mysteries of Mother Nature.

No synopsis available yet.

By mid-1945, Hitler is dead and the war has ended in Europe. Halfway around the world, however, the fighting is still going strong on a small island in the Pacific. Okinawa was the site of the last battle of the last great war of the 20th century, with a casualty rate in the tens of thousands. Through it all, military cameramen risked their lives to film the conflict, from brutal land combat to fierce kamikaze attacks at sea. See the footage they captured and experience this intense battle the way the soldiers saw it -- in color.

For early aviators, conquering the forces of gravity was a daunting challenge. But black aviators had an additional challenge - conquering the forces of racism. Meet the men and women who took to the skies throughout the 20th century, proving to a segregated nation that skin color doesn't determine skill level. From biplanes to commercial jets, and from barnstormers to war fighters, meet the path-breaking pilots who opened the skies for all -- and contributed in countless ways to the development of aviation.

"The Star-Spangled Banner" is known by all, treasured for its powerful melody and stirring lyrics. And yet, only about 40% of U.S. citizens know all the words. And even fewer know their meaning. Join us as we travel back to 1814, when Washington D.C. was under British attack during the "Second War of Independence," and the very bricks and mortar of American democracy were reduced to smoking rubble. We examine the battle that inspired witness Francis Scott Key to immortalize its final moments, then reveal how his poem transformed into an anthem.

The shores of Lake Kariba in the Matusadona National Park of Zimbabwe are a boundary zone between the territories of crocodiles, hippos, and lions. And sometimes this coveted lakeshore real estate is anything but peaceful. We look at the survival tactics of a lion pride living lakeside, as the boundry zone becomes a battle zone