One of the most beautiful places in the world puts the human strength to test.
Animals big or small, Dr. Michelle Oakley will be there to help who needs her.
Discover the crude reality behind one of the most dangerous and illicit businesses.
These survivors put their entire trust and lives in hands of a complete stranger.
Tim Shaw will leave you astonished with the surprising results of his experiments.
The Galapagos Islands – Darwin’s famed “living laboratory” - is under pressure like never before. Dedicated park...
These men and women live free of society, wild with nature, discovering and depending on only their own inner animal selves.
Cute kittens and big cats captured on camera.
Scientists are working to grow the American crocodile population in Florida.
Examine the mysterious relationship between these extraordinary big cats.
Check out Betty White and the big cats she loves so much.
Road workers unearth a tangled mass of headless skeletons and severed skulls while digging foundations for a new highway.
The inside story of the most audacious heist in NASA's history -- how an intern stole moon rocks from the Johnson Space Center.
An elite group of aerospace engineers and stealth experts rebuild the Horton 229
Dr Robert Ballard embarks on a new underwater quest.
Listening intently and recording pivotal information about Hitler’s army.
The experts behind the investigations of the world’s most cryptic monsters.
Cesar Millan and the intelligent, but too misunderstood pitbull breed.
See what happens when locked up beasts break free!
Follow Alaska’s seasons and the creatures that must adapt to survive.