There’s something completely magical – and baffling – about these mysterious stones in Death Valley, California.

There’s no other place quite like it on earth, and scientists are still trying to understand what exactly is going on in this isolated desert basin.

These ordinary-looking stones leave long trails on the earth…and yet no one has ever seen the rocks move.

Flickr/Keith Cuddeback

The stones are large, and seem too heavy to simply be moved by the desert wind.

Flickr/James Marvin Phelps

They have been known to leave trails over 850 feet long.

Flickr/John Fowler

Additionally, the trails left behind frequently zig-zag and turn abruptly, making it appear as if the stone suddenly veered in a different direction while racing across the so-called Racetrack Playa.

Flickr/Rob Degraff

An even greater mystery is that some trails don’t have rocks. Occasionally, a particular stone will disappear and rematerialize years later in a distant location, without a trail.

Flickr/NASA Goddard

Researchers have tried to figure out what the magic behind the “sailing stones” really is. They’ve tagged and tracked stones for years, but with no luck.

Flickr/NASA Goddard

The stones might sit dormant for years before suddenly traveling great distances seemingly overnight, which makes documenting the process extremely difficult.

Flickr/Thomas Hawk

One theory is that winter ice flows and strong winter winds may be causing the stones to move.

Flickr/Keith Cuddeback

However, locals report that some of the stones seem to travel even when there are no particularly strong winds.

Flickr/nate2b

We might never know for sure what’s behind this bizarre phenomenon, but the mystery is part of the beauty of this place.

Flickr/Keith Cuddeback

Flickr/James Marvin Phelps

Flickr/John Fowler

Flickr/Rob Degraff

Flickr/NASA Goddard

Flickr/Thomas Hawk

Flickr/nate2b

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