Formed by the wind over millions of years, sand dunes grow and shape shift as grains of sand erode and accumulate. These miraculous mounds are essentially mountains made of sand.

Sand was eroded into amazing sculpture-like shapes on the shores of Lake Michigan, as brutally cold wind chills were reported in the region. Footage from Nate’s Dronography shows the phenomenon ...

A man has gone viral for his incredible sand sculptures - with creations including Star Wars icons and giant crocs.