Sydney Botanic Gardens
Sydney Australia – 2017. The Royal Botanic Gardens Sydney is a 30 hectare public garden in downtown Sydney Australia. It is open to the public at no charge and a must see if you are visiting Sydney. It was established in 1816 and has an amazing collection on native and overseas plants. It has a pavilion, The Calyx, with a wall of flowers 6 meters high and 50 meters long. The current display theme (spring of 2017) is pollination.