Every migration is an epic journey, driven in large part by hunger. Every day, trillions of creatures are on timeless journeys, moving in numbers, in search of greener pastures.
Discover how your brain can be a time machine that 'sees' into the future and learn how, like Superman, you have X-ray vision.
Curt and Kinga are discovering amazing treasures worth thousands of dollars at the famed Winterthur Museum in Wilmington, Delaware.
Kaktovik, Barter Island, Alaska, USA: A polar bear in Kaktovik. This image is from Die Trying.National Geographic Channels/Jason Mayfield