Following the episode on Australia, Professor Iain Stewart uncovers the anatomy of American alligators and how North and South America were created.
The New World was torn from the heart of an ancient supercontinent - the Old World of Pangaea.
Spitsbergen - Spitsbergen Explorer Polar Bear Cruise
A 12 day High Arctic adventure deep inside the Arctic Circle.
Mekong - The Jahan
A stunning new luxury boutique-style river cruiser.
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