In the heart of Dasht-e Kavir, a large desert in Iran, there is an enormous area of sand dunes known as Rig-e Jenn. At about 1,400 square miles, it is said to be one of the most impossible areas ...

The smallest dunes are the ones most affected by the wind, so their direction indicates the way the wind is blowing. If at all possible, land on the sunny side of a sand dune; the shady side ...

You can see more images of Flensted's trip on his Instagram.

Great Sand Dunes is a certified International Dark ... In winter, it could be another one of the most dangerous National Parks in the US. If visiting in summer, be sure to bring protective ...

The age of one of Earth's largest and most complex types of sand dune has been calculated for the first time. Star dunes - or pyramid dunes - are named after their distinctive shapes and reach ...

A recent study has found that Pictured Rocks National Lakeshore is among the most dangerous locations ... multicolored sandstone cliffs, beaches, sand dunes, waterfalls and inland lakes and ...