The enormous is one of the best places in Australia to test out your vocal cords and shout out "cooeee" - due to its incredible natural acoustics. You'll find this awe-inspiring natural amphitheatre in Nation
The Wave (between Arizona and Utah - USA) A red-rock stunner on the border of Arizona and Utah, The Wave is made of sand dunes that have turned to rock. This little-known formation is accessible only on foot via a three-mile hike and highly regulated.
16 Photos That Will Make You Want to Visit Karijini National Park