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.
Kenya - Kenya Honeymoon
A perfect honeymoon destination, 13 Days from £4,290 for the Bride and £5,690 for the Groom.
Maldives - Niyama
A new vibrant resort.
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