Mentioned by Time Travel Turtle
Things to do for free in Sydney, Australia
"The Royal Botanic Garden has one of the most beautiful locations in Sydney – on the harbour, next to the Opera House, bordering the central business district. For visitors, it’s a stunning location that gives views of the Harbour Bridge and across to the north shore of the city. But it’s also one of the most important botanical institutions in the world with about 9000 species of plants."