1. Antarctica

With 98% of its mainland covered in ice, Antarctica is a land of survivors enduring the most hostile conditions on Earth.

2. Asia

Asia is the largest and most extreme continent on our planet, where rare animals roam the hottest deserts, tallest jungles and highest mountains.

3. South America

From the bone-dry deserts of the Atacama to the lush cloud forests of the Andes, species-rich South America is full of the unusual and ingenious.

4. Australia

Australia, cast adrift at the time of the dinosaurs and isolated for millions of years, is a land full of weird and wonderful wildlife.

5. Europe

Europe is a crowded continent transformed by mankind, where extraordinary animals are found in surprising places.

6. North America

Defined by extreme weather and seasonal change, North America is a land where pioneering animals make the most of surprising opportunities.

7. Africa

Africa is home to the greatest wildlife gatherings on Earth. But even in this land of plenty, wildlife faces huge challenges.