Flood, famine, freeze, and fire. Grasslands can become some of the most volatile landscapes on the planet. Watch a new episode of #HostilePlanet tonight at 9/8c on National Geographic. | National Geographic TV

Critics agree: Hostile Planet is a masterpiece of cinematography. Catch up on the first 2 episodes online, on demand, and on the NatGeoTV app! | National Geographic TV

Bear Grylls shares the story of why Earth Day is so important to him and what steps you can take to try and help protect the planet. | National Geographic TV

During the winter, finding food is a daily struggle. But these Arctic Wolves have a ray of hope to satisfy their hungry bellies: arctic hares. | National Geographic TV

In the world's most extreme environments, these animals survive & thrive against all odds. #HostilePlanet premieres April 1. | National Geographic TV

Do you have what it takes to survive in the mountains? | National Geographic TV

In order to film the bizarre creatures of the deep, the Hostile Planet filmmakers teamed up with scientists at Monterey Bay Aquarium Research Institute (MBARI) – an organization working at the forefront of deep ocean science and technology. Watch this behind-the-scenes footage to see how they plunged into the depths. | National Geographic TV

The animals in Hostile Planet have adapted to survive the most difficult conditions on earth. But the film crew? That's a whole different ball game. | National Geographic TV