An artist in Ireland spends hours creating mind-blowing optical illusions out of sand and then watches them wash away with the tide.

Slowinski National Park, Poland is home to 'the most exceptional in Europe belt of moving dunes', which have been moving at an average rate of 10 metres (30ft) a year for thousands of years.

RIP Heeraben: 6 ft coal painting to sand art, artists pay moving tributes to PM Modi’s mother As the nation mourns the demise of PM Modi's mother, Heeraben, artists pay heartfelt tributes. Check ...

Is it a sand dune or a sinkhole? One of the largest moving sand dunes in the U.S. is a mysterious phenomenon near Chicago, known for a child disappearing there.