Researchers estimated that the 100 m tall dune likely stopped growing for about ... scattered pottery fragments to the east side of the sand formation. This suggests there may have been wetter ...

The sand that makes up the dunes had traveled too ... into the middle of the broad stony basin until we found a 50-foot-tall barchan to give us some shelter for the night. Ground friction slows ...

indigenous communities have viewed the sand dunes as a sacred place. The park contains the tallest dunes in North America at over 750 feet tall. The rugged mountain range provides a dramatic backdrop ...

How can something that is constantly shifting stand up to 750 feet tall? This southwestern park features the largest sand dunes in North America, and the key to their extraordinary height seems to lie ...

and Hunt River Sand Dunes — standing 100-feet tall — are an unexpected sight among the ice. Adding to the uniqueness of the valley, the dunes are considered a relic of the ice age, formed when ...

Palmer Woods, a 1,155-acre forest within the Leelanau Conservancy, offers 10 miles of hiking, cross-country skiing. This ...