This episode looks at the Rockies in North America, home to cougars, wolves and grizzly bears.
A look at the highest mountain range on earth, the Himalayas, including resident snow leopards and bizarre-looking monkeys, and t...
The Andes is the longest mountain range in the world and home to astonishing hidden worlds, extraordinary animals and remarkable peo...
Yr Wyddfa (Snowdon) attracts around 750,000 visitors each year, and the race is on to prepare for the busiest season yet.
Explorer Levison Wood takes on a new challenge: to walk the length of the world's highest mountain range, from Afghanistan to Bhutan.
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