detail of lichen growing on petrified stump. theodore roosevelt national park, north dakota. - 羅斯福國家公園 個照片及圖片檔
mule deer surrounded by sage brush. odocoileus hernionus. theodore roosevelt national park, north dakota. - 羅斯福國家公園 個照片及圖片檔
misty sunrise over badlands canyons near little missouri river. little missouri river, north unit, theodore roosevelt national park, north dakota. - 羅斯福國家公園 個照片及圖片檔北達科他州
Man rows his boat past Theodore Roosevelt Island on the Potomac River in Washington, DC on May 10, 2016. / AFP / ANDREW CABALLERO-REYNOLDS
painted canyon is an area of badland in theodore roosevelt national park, medora, north dakota - 羅斯福國家公園 個照片及圖片檔
Chandra Taylor Smith, Vice President for Community Conservation and Education at the National Audubon Society, stands with her binoculars for a First...
