1. Singapore Botanical Gardens | Singapore
More than 160 years old, tropical Singapore Botanical Gardens has it all: a section of the city’s primary rainforest, an orchid garden, a ginger garden and an exhibition on ethnobotany (looking at how plants are rooted in traditional culture and medicine), plus some wise old trees. It even has a pair of swans from Amsterdam, a national flower called Vanda Miss Joaquim and its own mist garden. Don't miss the National Orchid Garden with more than 1,000 species and 2,000 hybrids on display, plus a series of special tools and gadgets to ensure the right humidity. Steamy stuff.
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