Unlike hard rock, which can dissolve to form caverns and sinkholes, dunes are just big piles of sand formed as wind stacks one grain atop the next. There was no sign of Nathan—just a round ...

That giant mound of moving sand buries everything in its path ... panorama vistas and see the rich vegetation that helps form the dunes (and keep them in place). Kemil Beach is another great ...

Less than an hour away from Zion's iconic river canyon trail sits another natural wonder: Coral Pink Sand Dunes State Park. This state park has become a haven for outdoor adventurers, catering to ...