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  1. Red and Green Macaw pair courting, Buraco das Araras, Pantanal, Brazil
  2. Acropolis And Parthenon, Athens
  3. Saguaro cacti, Sabino Canyon, Saguaro National Park, Arizona
  4. Eocene Echmatemys Fossil Turtle
  5. Tabacon Hot Springs And Volcan Arenal
  6. Cretaceous Lambeosaurus Dinosaur Fossil
  7. Costa Rica, Tabacon Hot Springs, tropical vegetation along natural hot springs
  8. Coqui frog on leaf, El Yunque Forest, Puerto Rico
  9. Costa Rica, Monteverde, Monteverde Cloud Forest Reserve
  10. Black-footed Penguin descending stairs, Boulders Beach, South Africa
  11. Falls Creek Falls, Gifford Pinchot National Forest, Washington
  12. Deception Pass Bridge from North Beach, Whidbey Island, Washington
  13. Green Turtle, hatchlings head to sea, Ascension Island, South Atlantic Ocean
  14. Upper Body Of Notoungulata Fossil
  15. Norway, Lofoten Islands, Moskenesoya Island, Reine, above Arctic Circle
  16. Trees below Mount Assiniboine with Sunburst Lake, British Columbia, Canada
  17. Coast at sunset, Deception Pass State Park, Washington
  18. Parasaurolophus Dinosaur Fossil
  19. Saguaro cacti, Saguaro National Park, Arizona
  20. White Cliffs Of Dover, Seven Sisters, Beachy Head, East Sussex
  21. Green Turtle nesting female on beach, Ascension Island, South Atlantic Ocean
  22. Summit Of The Monch, 4,107 Metres (13,474 Feet) From West, Bernese Alps, Switzerland
  23. Bentonite clay deposits, Painted Hills, John Day National Monument, Oregon
  24. Crescent moon and summit of Mount Assiniboine, British Columbia, Canada
  25. Venezuela, Angel Falls, Canaima National Park
  26. Coniferous forest in fog, Deception Pass State Park, Washington
  27. Palouse Falls, Palouse River, Washington
  28. Saguaro cactus, Saguaro National Park, Arizona
  29. Mexico, Chichen Itza, Kukulcan
  30. Bigleaf Maple Seedling grows on mossy trunk, Cascade Mountains
  31. Sundew showing sticky hairs, Stirling Range National Park, Western Australia
  32. Green Sea Turtle returning to sea after nesting, Ascension Island, Atlantic Ocean
  33. Sculpture And Pyramid Of Kukulcan
  34. Toco Toucan
  35. Utah, Bryce Canyon National Park, detail of Hoodoos, eroded lake sediments
  36. Tundra and Mount Assiniboine, British Columbia, Canada
  37. Southern Double-collared Sunbird male on Pincushion protea flower, South Africa
  38. Rainbow at Victoria Falls, Zimbabwe
  39. Quokka mother with joey in pouch, Rottnest Island, Perth, Western Australia, Australia
  40. Bunchberry, Dogwood, Tatshenshini River, British Columbia, Canada
  41. Galapagos Sea Lion pups playing, Espanola Island, Galapagos Islands, Ecuador
  42. Galapagos Giant Tortoise, endangered, Santa Cruz Island, Galapagos
  43. Red-Eyed Tree Frog
  44. Spain, Granada, Alhambra, Legendary Moorish Palace Interior Details
  45. Iceland, Godafoss waterfall, north near Akureyri
  46. Deception Pass Bridge in fog, Deception Pass State Park, Washington
  47. Ruins Of Sanctuary Of Athena At Delphi
  48. Snow Goose flapping wings, Skagit River, Washington