A few of the 60 mind-bending rock formations from around the world that can be found in Matador Network’s incredible gallery.

The roving rocks of Racetrack Playa are a mystery even to NASA:

The rocks are famous because they move, leaving tell-tale trails in the clay, like this one. This happens at several playa in California and Nevada. There’s no record of anybody seeing one of the rocks move, and scientists aren’t quite sure how it happens. But they know that it’s not the work of animals, gravity, or earthquakes.

MicROCKScopica by Bernardo Cesare

About the project:

Along with an exciting geological history, every piece of rock hides an universe of colors and shapes, that can be disclosed with a microscope and utilizing polarized light…

Portugal’s night sky is pretty in purple in these images photographed and composited by Jorge Maia.