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  1. American Alligator, North America
  2. The Teton Range at String Lake Grand Teton National Park Wyoming
  3. Joshua Trees at sunrise near Quail Springs, Joshua Tree National Park, California
  4. Waterfall, Niagara Springs, Thousand Springs State Park, Idaho
  5. Mt Shuksan, northern Cascade Mountains, Washington
  6. Chuparosa and Brittlebush, Superstition Mountains, Arizona
  7. Western Screech Owl perching in a tree with snow on its head, British Columbia, Canada
  8. Seastacks and full moon at El Matador Beach, California
  9. Shiprock, the basalt core of an extinct volcano, New Mexico
  10. Myrtle Falls and Mount Rainier, Mount Rainier National Park, Washington
  11. Rainbow near El Capitan, Guadalupe Mountains National Park, Texas
  12. Rio Grande and Sangre de Cristo Mountains, Colorado
  13. Aspen trees in fall colors on Elk Mountains, Capitol Creek trailhead, Colorado
  14. Beavertail Cactus (Opuntia basilaris) flowering, Arizona
  15. Gothic Mountain in distance behind wildflower meadow and Smooth Aster Colorado
  16. Ruby Range, Lost Lake Slough, Colorado
  17. Plains Pricklypear (Opuntia polyacantha), Arches National Park, Utah
  18. Pine Tree At Night, Mount Scott, Wichita Mountains NWR, Oklahoma
  19. Fallen autumn colored Oak leaves frozen on the ground
  20. Appalachian Mountains from Doughton Park, Blue Ridge Parkway, North Carolina
  21. Milky Way And Starry Sky Over Buttes, Monument Valley, Arizona
  22. Marsh, Padre Island National Seashore, Texas
  23. American Bison (Bison bison) in winter, Yellowstone National Park, Wyoming
  24. Great Gray Owl perching on a snow-covered branch, British Columbia, Canada
  25. Badlands, South Unit, Theodore Roosevelt National Park, North Dakota
  26. American Bison (Bison bison) in winter, Yellowstone National Park, Wyoming
  27. Siberian Tiger (Panthera tigris altaica) portrait, endangered, native to Siberia
  28. Storm cloud over beach, Canaveral National Seashore, Florida
  29. Mule Deer (Odocoileus hemionus) male in dry grass, North America
  30. Quaking Aspen forest and Mount Sneffels, San Juan Mountains, Colorado
  31. Single-leaf Pinyon Pine at Toroweap Overlook, Grand Canyon National Park, Arizona
  32. Mt Rainier reflected in lake, Mt Rainier National Park, Washington
  33. Indian Peafowl male with tail fanned out in courtship display, native to Asia
  34. Waves crashing on Point Dume Beach, California
  35. Rainbow And Three Judges, Goblin Valley State Park, Utah
  36. Sand Creek cascades in Osage Hills State Park, Oklahoma
  37. Chikanishing Creek, Killarney Provincial Park, Ontario, Canada
  38. Pine trees reflected in Fairy Lake, Montana
  39. Hot Creek at sunset, eastern Sierra Nevada, California
  40. Palmyra Peak reflected in Alta Lake near Telluride, Colorado
  41. Trumpeter Swan Trio Flying, Magness Lake, Arkansas
  42. Rapids with cliffs above Cache La Poudre River, Colorado
  43. Elk Bulls, Rocky Mountain National Park, Colorado
  44. Snow-covered Aspen forest near Kebbler Pass, Gunnison National Forest, Colorado
  45. Cathedral Rock reflected in Oak Creek at Red Rock Crossing, near Sedona, Arizona
  46. Raccoon (Procyon Lotor) two babies climbing tree, North America
  47. Common Sunflower group showing symmetrical seed heads, North America
  48. Fremont Cottonwood tree, White Sands National Monument, Chihuahuan Desert New Mexico