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