BBC Four HD

While Joseph Mallord William Turner is considered by many to be Britain's greatest landscape painter, his private life reveals a man of extremes and contradictions. This is a look at the extraordinary story of a brilliant self-made man.

In the Tropical Atlantic, everything from dolphins to manatees thrive in the Caribbean's warm, sheltered waters, fringed with coral reefs and rich mangrove forests, but extreme heat in Africa unleashes terrifying hurricanes.

Dangerous politics and turbulent love shock Frida's world, while love and trauma shape her final year. With her body failing her, her painting thrives.

For 700 years, most of Spain was an Islamic state, and the south was its beating heart. Under the Moors, Spain became the most advanced, wealthy and populous country in Europe.

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