“The Underwater Waterfall” exists off the coast of Mauritius Island, a little piece of paradise in the Indian Ocean. In reality, it is not actually an underwater waterfall, but a fascinating illusion caused by the run off of sand and silt deposits.
This is the Wave Rock (Rock Ola) in Australia. Believed to be one of the oldest rocks on Earth, with million years. Its distinctive shape is caused by erosion of 60 million years. Photo: Getty Images rocks-minerals-gems-and-geology