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  1. Firehole river, Yellowstone National Park, Wyoming
  2. Sunset Arch, Grand Staircase-Escalante Nm, Utah
  3. Mount Wilbur at Fishercap Lake, Glacier National Park, Montana
  4. Conifer And Moon, Bryce Canyon National Park
  5. Snowy Owl adult balancing on a stump amid dry grass, British Columbia, Canada
  6. Millwood Lake State Park, Arkansas
  7. Paradise River surrounded by spring flowers, Mt Rainier National Park, Washington
  8. Windmill producing electricity at sunset example of renewable energy, North America
  9. Full moon over Mono Lake with tufa towers and Sierra Nevada Mountains, California
  10. Waterfall, Mcarthur-Burney Falls Memorial State Park, California
  11. California Poppy and Desert Bluebells carpeting a spring hillside, California
  12. Abbey Island looms over Ruby Beach, Olympic National Park, Washington
  13. Cove and seastacks near Garrapata State, Beach Big Sur, California
  14. Coconut Palm (Cocos nucifera) trees, Bikini Beach, Panglao Island, Philippines
  15. Green Sea Turtle (Chelonia mydas), Balicasag Island, Philippines
  16. Palm trees, Pinagbuyutan Island, Palawan, Philippines
  17. Panorama view of Windy Mountain, Wyoming
  18. Havasu Falls, Grand Canyon, Arizona
  19. North Clear Creek Waterfall cascading down cliff, Colorado
  20. Sandstone cliffs and canyon seen from Toroweap Overlook, Grand Canyon National Park
  21. Pine (Pinus sp) trees covered with snow in winter, Yellowstone National Park, Wyoming
  22. Rainbow And Three Judges, Goblin Valley State Park, Utah
  23. Lake Bailey, Petit Jean State Park, Arkansas
  24. Hoh Rainforest, Olympic National Park, Washington
  25. Hot Creek at sunset, eastern Sierra Nevada, California
  26. Morro Rock at Morro Bay, California
  27. Chutes Provincial Park, Ontario, Canada
  28. Ruby Range, Lost Lake Slough, Colorado
  29. Seneca Falls, Ricketts Glen State Park, Pennsylvania
  30. Hoodoos In The Grotto, Echo Canyon, Chiricahua NM, Arizona
  31. Great Horned Owl in its pale form perching on snag, British Columbia, Canada
  32. Masai Giraffe (Giraffa camelopardalis tippelskirchi) mother and young, Kenya
  33. Saguaro cacti and Brittlebush at Picacho Peak State Park, Arizona
  34. Sandhill Cranes (Grus canadensis) flying, North American
  35. Waterfall along Hana coast, Maui, Hawaii
  36. Kitchen Creek cascades, autumn, Ricketts Glen State Park, Pennsylvania
  37. Reflections In Virgin River After Flooding, Zion National Park, Utah
  38. Shiprock, the basalt core of an extinct volcano, New Mexico
  39. Ponderosa Pines And Cliff, Coconino National Forest, Arizona
  40. Wotans Throne from South Rim, Grand Canyon National Park, Arizona
  41. Pond, Barker Pond Trail, Joshua Tree National Park, California
  42. Cathedral Rock reflected in Oak Creek, Red Rock State Park near Sedona, Arizona
  43. Mandarin Duck (Aix galericulata) male and female, Jurong Bird Park, Singapore
  44. Mountain Lion or Cougar (Felis concolor) adult portrait, North America
  45. California Poppies, Desert Bluebells In Spring, Diamond Valley Lake, California
  46. Easely Peak, Boulder Mountains, Idaho
  47. Moon setting, Playa Carillo, Guanacaste, Costa Rica
  48. Winding Yampa River Dinosaur National Monument Colorado