Simply, one of the most beautiful and important botanical gardens in the world. Maintained by the South African National Biodiversity Institute (SANBI). Nearly half of all plant species found in the southern half of Africa exist on one tiny sliver of land surrounding Cape Town. The Cape Floral Kingdom is home to an astonishing 6,200 species of plants found nowhere else on earth, many of them are found in Kirstenbosch. (You can see the photo in a larger format and read about the technical details, here.