When we visited Sydney in 2011, one of the must see visits was to the Blue mountains. They are about 100km from Sydney via the Great Western Highway, and if you don´t have a car you can still visit by taking a 2 hour train trip, or joining a bus tour.
Near the town of Katoomba in the Jamison Valley, are the Three Sisters, formed by erosion in a sandstone mountain range.
Read more at:
http://sami-colourfulworld.blogspot.com.au/2013/01/a-z-of-australia-t-is-for-three-sisters.html
Amazing shot =) Thanks for sharing.