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  1. An Adelie penguin, Pygoscelis adeliae, jumping on an iceberg.
  2. Colorado River, Marble Canyon, Grand Canyon National Park, Arizona.
  3. Scenic Deer Creek Falls in Grand Canyon National Park.
  4. Scenic Travertine Falls on the Little Colorado River.
  5. A group of Icelandic horses, Equus scandinavicus.
  6. Cascades along Deer Creek in slot canyon, Grand Canyon National Park.
  7. Grizzly bear prickly pear cactus, Opuntia erinacea.
  8. Fresh snow at the South Rim, Grand Canyon National Park, Arizona
  9. The yellow leaves of fall frame a rock formation.
  10. Painted Desert, Petrified Forest National Park, Arizona.
  11. Brown bear, Ursus arctos, fishing for sockeye salmon at Brooks Falls.
  12. Brown Bear, Ursus Arctos, Fishing For Sockeye Salmon At Brooks Falls
  13. Kayakers at the Land's End Arch rock formations at sunrise.
  14. Eroded sandstone and a tumbleweed branch in a slot canyon.
  15. The leaves of a forest change colors in autumn.
  16. Quaking Aspen and Ponderosa Pine trees display fall colors.
  17. Black and white photo of a humpback whale's tail.
  18. A flock of brown pelicans flying low over water at sunset.
  19. A lone polar bear walks along ice on the Arctic Ocean.
  20. View of the Colorado River flowing through Nankoweap Canyon.
  21. Blue water, Colorado River, Grand Canyon National Park, Arizona.
  22. Brown Bear Fishing For Sockeye Salmon At Brooks Falls, Katmai National Park, Alaska
  23. Adelie penguins walk on a beach where a cruise ship is anchored.
  24. Polar bear, Ursus maritimus, on pack ice at water's edge.
  25. Hikers and rainbow Kaibab Trail, Grand Canyon National Park.
  26. Fall color and rock formations casting reflections in calm water.
  27. A humpback whale breaches in the Pacific Ocean.
  28. Orca, Robson Bight Ecological Reserve, Vancouver Island, British Columbia, Canada
  29. A peaceful landscape stretches to the horizon.
  30. A sculpted blue iceberg off of Cuverville Island.
  31. Waterfall from a narrow crevass in a sandstone cliff.
  32. A pair of chinstrap penguins in a courtship cuddle.
  33. A Bornean Orangutan Family In A Tree
  34. Kite surfers at sunset.
  35. Sculpted icebergs under clouds near the shore of Couverviller Island.
  36. Two Crabeater Seals Lying On An Ice Floe In Grandidier Channel, Antarctica
  37. Polar Bear Walking On Melting Pack Ice With Blue Water Pools, Svalbard, Norway
  38. Canoes lined up on a dock at Wonder Lake in front of Mt. McKinley.
  39. Three vervet monkeys in a leafy tree.
  40. Hiker walking in the turquoise waters of Havasu Canyon.
  41. United States Antarctic Survey Research Buildings, Palmer Station
  42. King Penguins Near Water Under A Cloudy Sky In South Georgia, Antarctica
  43. Iceberg With Arch Frames An Expedition Ship, Yalour Islands, Antarctica
  44. Brown Bear Mom With Cubs At Silver Salmon Creek, Lake Clark National Park
  45. Bald Eagle, Haliaeetus Leucocephalus, Perched On Rock Pinnacle In Kachemak Bay