A natural phenomenon in Mauritania known as the underwater waterfall makes it appear as though there is a waterfall beneath the ocean waves. However, it is an optical illusion - it is actually sand being sucked out into the ocean.
Whitehaven Beach is a 7 km stretch along Whitsunday Island, Australia. The island is accessible by boat, seaplane & helicopter from Airlie Beach, as well as Hamilton Island. It lies across from Chalkie's Beach on Haslewood Island.