Pink Lake Hillier, Australia: The distinctive color is due not to pollution, but is due to a green alga Dunaliella salina, halobacterium Halobacteria cutirubrum, and/or high concentration of brine prawn. Once the lake water reaches a salinity level great
Tasmania Richmond Bridge Originally named Bigge's Bridge, Richmond Bridge is Australia's oldest bridge still in use. It was built by convicts from sandstone quarried at Butchers Hill and hauled by hand carts to the bridge site.
The Breakaways near Coober Pedy - Several movies have had scenes filmed here – including one which uses the terrain as the planet Mars. According to the Wikipedia entry for The Breakaways, the average ground temperature can reach 65 degC degF) in summer.