Tundra reindeer migrate between forest and tundra in these massive groups in an annual cycle. They move to northern climes ...

But no roads or trails lead into this massive park made up of rough subarctic forest, tundra, muskeg, and part of North America’s largest expanse of peat bog, which shelters one of the largest ...

The arctic tundra encircles the North Pole, extending from the frozen Arctic in the north to the coniferous forest - also known as the taiga - in the south. Countries across the world such as ...