Deep in the Libyan Sahara lies Jabal Arkanū, a massive, near-perfect set of stone rings once mistaken for a meteorite impact site. New space imagery and geological research now reveal the incredible Earth-made processes behind this ancient natural masterpiece. Deep in the Libyan Sahara lies Jabal Arkanū, a massive, near-perfect set of stone rings once mistaken for a meteorite impact site. New space imagery and geological research now reveal the incredible Earth-made processes behind this ancient natural masterpiece.