... Mammatus Clouds Over Mexico . ... A Beautiful Boomerang Nebula . ... No sudden, sharp boundary marks the passage of day into night in this gorgeous view of ocean and clouds over our fair planet Earth. ... Sharing the night sky seen around the world, this view from Monument Valley, USA includes a picturesque foreground of famous buttes. ... Horizon to Horizon . ... Scroll right and journey from horizon to horizon as your gaze sweeps through the zenith in the night sky over Beg-Meil, France. ...