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The 132-hectare Kew Gardens in south-west London has been named a World Heritage Site by Unesco

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Its huge collection of plants provides a beauty spot for the public, and much scientific and conservation work

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For instance, 700 specimens of rhododendron are planted in one area alone - Rhododendron Dell

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Waterlily House is Kew's hottest glasshouse and houses many of its displays

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Kew has over 40 listed buildings and other structures including the Palm House, Temperate House, Orangery and Pagoda

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There's also an art gallery - full of the botanical drawings of 19th century artist Marianne North

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Its Pagoda was completed in 1762 for one of Kew's founders, Princess Augusta

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The Kew Ginkgo, believed planted in 1762, is from the oldest tree species in the world

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The Princess of Wales Conservatory has 10 zones with climates from arid to tropical

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Temperate House is the world's largest ornamental glasshouse

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The Amorphophallus Titanum, the world's largest and smelliest flower, burst into flower at Kew last year