In a world increasingly illuminated by artificial light, truly dark skies have become a rare treasure. According to researchers, more than 80% of the global population now lives under light-polluted skies, making it difficult to see anything beyond the brightest stars from many urban areas. Yet a handful of remote deserts, mountains, forests and protected reserves continue to offer exceptional night-sky conditions. These locations provide some of the clearest views of planets, constellations, meteor showers and the Milky Way, while also serving as important sites for scientific research. From Chile's Atacama Desert to the vast landscapes of Namibia and Australia, these are among the darkest regions on Earth for stargazing.