boulder carved coast coastal eerie eroded erosion form formation granite landscape macabre mediterranean natural nature odd rock Sardinia sea strange unusual weird blue green rocks sky trees boat ship trawler boulders bush island islands land Maddalena outcrop pink rocky rough rugged scrub shrub worn chilly cold cool damp foggy forlorn formations lonely ocean oceanfront pacific peaceful shore shoreline tide pool Washington wet desert hill jordan mountain sand sandstone national park holiday national park cave caves cavescape caving crystal crystals Stalactite stalactites