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  1. Pine tree and forested ridges of the Blue Ridge Mountains
  2. Old Faithful geyser erupting in winter, Yellowstone National Park, Wyoming
  3. Cormorant fisherman poles a bamboo raft near limestone karst mountains, Li River, People's Republic of China
  4. Reelfoot National Wildlife Refuge, Dyersburg, Tennessee
  5. An orange-beaked great white egret hunting among wetland lily pads
  6. Waterfalls on the Eno River passing through a hardwood forest
  7. Pinedale, Wyoming
  8. Banff National Park, Alberta, Canada
  9. Sunset and silhouetted oak tree over the Shenandoah valley
  10. A delicate and splendid rose opens up her petals
  11. A dirt road through a forest passes a large tree with Spanish moss
  12. A roaming horse in Montana
  13. A view of Death Lake and the surrounding forests and cliffs, Northwest Territories, Canada
  14. A close up of a bear with paw raised and claws exposed
  15. Grand Teton National Park, Wyoming
  16. Kitty Hawk, Bodie Island, North Carolina
  17. Alberta, Canada
  18. A view of a lake through trees and plants
  19. Prairie grass, Badlands National Park, South Dakota
  20. Bleeding heart flowers, Dicentra spectabilis, in bloom
  21. Green Gardens, Gros Morne National Park, Newfoundland, Canada
  22. Grand Teton National Park, Wyoming
  23. A creek runs through Blue Hole Campground
  24. Crater Lake National Park, Oregon
  25. Upper Cascades Falls flows down a mountain in Hanging Rock State Park
  26. A view of wild horses in a field of wildflowers in the Pryor Mountains
  27. Rolls of hay fill a farmer's field
  28. An alligator floats in the afternoon sun amongst lily pads
  29. A moored old red boat and its mirror reflection on still waters
  30. Banff National Park, Alberta, Canada
  31. Boundary Waters Canoe Area Wilderness, Superior National Forest, Minnesota
  32. Cotton grass, sedges and a red spruce forest in a bog
  33. Hotspring Island, British Columbia, Canada
  34. Grand Prismatic Spring, Yellowstone National Park,Wyoming
  35. Flaming shrubs and a slender quaking aspen against a canvas of lodgepole pine
  36. A flock of ibis fly over the sunset colored marsh
  37. A dump truck carrying gravel kicks up a cloud of dust
  38. Crater Lake National Park, Oregon
  39. Devil'S Tower National Monument, Wyoming
  40. Sunlight filters through the leaves of an umbrella tree
  41. A stone bridge crosses the headwaters of the Susquehanna River, New York
  42. Near Lake Minnewanka, Banff National Park, Alberta, Canada
  43. The sun rises over an Atlantic Ocean pier
  44. Lake Louise, Banff National Park, Alberta, Canada
  45. A Japanese cherry tree bursts forth in blossoms
  46. Tree in autumn foliage on a grassy hillside with moon rising over all
  47. Close view of bark on an old growth cottonwood tree
  48. Tiger, Qinhuangdao Zoo, Hebei Province, China