Top 25 Secret Gardens: Escape To These Hidden City Parks.
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Tromsø Arctic-Alpine Botanic Garden in Tromsø, Norway – The Arctic-Alpine Botanic Garden in Tromsø, Norway, is the world’s northernmost botanic garden with Arctic, Antarctic and Alpine plants from every continent on earth. The impressive garden is open all year, free to enter, and in it you can find not one, not two, but an astonishing 25 collections of species from all over the world. It’s an extraordinary selection of species, which you’d have a hard time finding elsewhere all in one place, and that alone makes this garden as unique as it gets. – TK [Photo: Harald Groven/Flickr]