"Chris and Martin Kratt are brothers who explore the wild throughout the world to learn more about animals and share conservation information. They have three friends who travel in the Tortuga HQ with them named Aviva, Koki and Jimmy Z. The brothers have creature power suits that allow them to experience what it's like to be the animals they find. The team helps them by creating power suit creature disks for each animal they study. They also bring...

Four years in the making, and filmed over 3000 days across every continent and in every habitat, see 130 incredible stories from frontiers of the natural world. Discover the glorious variety of life on Earth and the spectacular and extraordinary tactics animals and plants have developed to stay alive. This is evolution in action: individual creatures under extreme pressure to overcome challenges from adversaries and their environment.

Canyonlands is the little-known jewel of the American National Parks. The stark landscape contains more than 300,000 acres of desert wilderness, towering spires, and spectacular canyons. The rugged terrain is also a history book of time. Its stories stretch from the geologic forces that created this land, to the beginnings of life on earth and from ancient people, to the cowboys and outlaws of the Old West. Venture beyond the tourist hotspots to discover...

Alan Alda follows in Charles Darwin's footsteps, meeting the animals and birds that inspired Darwin's theory of evolution. Alda joins scientists who witness the daily struggle for survival that has shaped the Galapagos Islands' unique wildlife. As he experiences the enchantment of the islands, he learns of efforts to protect them from alien invaders-including the 60,000 eco-tourists who visit every year.

The Arctic and Antarctic remain the greatest wildernesses on Earth. The scale and beauty of the scenery and the sheer power of the elements, the weather, the rough ocean and the ice, is unmatched anywhere else on our planet. tells the compelling story of animals such as the wandering albatross, the adelie penguin and the polar bear, and paints a portrait that will take your breath away, at a moment when, melting fast, the frozen regions of our planet...

Yellowstone National Park is known as the enduring wonder. With its vast forests and magical hot springs, it is a treasure unlike any other Park. Yosemite National Park's valley, which has been gouged by glaciers and water, features magnificent waterfalls like Bridalveil and mountains of majesty such as Three Brothers. The Grand Canyon's ruby and gold layers of granite and limestone tell a story thousands of years in the making.

Imagine what it's like to be shrunk down and immersed in a magical world of fantastical creatures living incredible, action-packed lives. With a cast of miniature marvels all less than a foot in size, these superheroes may be small but they pack a punch way above their weight. Chipmunks, elephant shrews, marmosets, scorpion mice, even giant rhinoceros beetles all face drama on a different scale -- when you are this small rain drops fall like meteorites...

Join the Wild Kratts as they touch down in Madagascar for the first time. With no big land predators, Chris realizes that the huge island is one of the safest places in the world for adventuring.

Celebrate the 100th birthday of America's best idea. This premium, blue-chip Centennial Collection features beautiful new footage of eight of America's most beloved National Parks, creating an experience of some of the most breathtaking landscapes in the world. Insightful explorations and fascinating stories of America's most majestic lands include Olympic, Yosemite, Everglades, Yellowstone, Saguaro, Grand Canyon, and Great Smoky Mountains.

Of all continents on Earth, none preserves a more spectacular story of its origins than Australia. With help from high-energy host and geologist Richard Smith, we meet titanic dinosaurs and giant kangaroos, sea monsters and prehistoric crustaceans, disappearing mountains and deadly asteroids. Epic in scope, intimate in nature, this is the untold story of the Land Down Under, the one island continent that has got it all.