The Twelve Apostles, Victoria, Australia
The Twelve Apostles is a group of rock structures along the Great Ocean Road in Victoria, Australia. These limestone pillars were formed by wave erosion of caves and arches along the mainland cliffs. Eight pillars of the Twelve Apostles still remain, but there were only nine pillars in total.
Information source: Twelve Apostles Marine National Park Service
Image: The Twelve Apostles along the Great Ocean Road in Victoria, Australia. Source: Mike Lehmann, Wikimedia Commons.