Water & Ice, Donut Falls, Utah, USA Water from Donut Falls seeps through a hole in the cave ceiling. The water freezes through the night and thaws through the day during winter. Beautiful Image by - Preston Rowlette
10 Geological Wonders you don't know A red-rock stunner on the border of Arizona and Utah, The Wave is made of sand dunes that have turned to rock. This little-known formation is accessible only on foot via a three-mile hike and highly regulated.