There are several National Park Service sites that do something that very few places on earth can do. They stop you righ ...

If at all possible, land on the sunny side of a sand dune; the shady side usually has downdrafts, so you just drop like a stone. White sand is safer to fly over than dark sand. Dark sand absorbs ...

Appearances can be deceiving. At first glance, you'd never think the rolling white sand dunes of southeastern New Mexico and west Texas held the largest stand of oak in the country. The region's ...