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  1. Cathedral Rock reflected in Oak Creek, Red Rock State Park near Sedona, Arizona
  2. Andean Emerald (Amazilia franciae) hummingbird feeding on a yellow flower, Ecuador
  3. Elk or Wapiti (Cervus elaphus) male portrait, North America
  4. Aspen grove in fall colors, Washington Gulch, Gunnison National Forest, Colorado
  5. Roaring Fork River flowing through forest in Great Smoky Mountains National Park
  6. River in Pedernales Falls State Park, Texas
  7. Oak trees shrouded in fog, tallgrass prairie in Flint Hills, Kansas
  8. Sunset over the Pisgah National Forest from the Blue Ridge Parkway, North Carolina
  9. American Bison in winter Yellowstone National Park Wyoming
  10. Claret Cup Cactus Near Barker Pond Trail, Joshua Tree National Park, California
  11. American Alligator in Nine-mile Pond, Everglades National Park, Florida
  12. American Alligator in Nine-mile Pond, Everglades National Park, Florida
  13. Bixby Bridge Big Sur California
  14. Rolling fog on Clingman's Dome, Great Smoky Mountains National Park, Tennessee
  15. Canadian Rocky Mountains dusted in snow, Banff National Park, Alberta, Canada
  16. Roaring fork river Great Smoky Mountains National Park Tennessee
  17. Brown Pelican (Pelecanus occidentalis) flying, North America
  18. Cascades at Emerald Pools, Zion National Park, Utah
  19. Ponderosa Pine (Pinus ponderosa) forest in snow, Grand Canyon National Park, Arizona
  20. Rio Grande and the Sangre de Cristo Mountains, Colorado
  21. Mountain At Sunrise, Pyramid Mountain, Red Rock State Park, New Mexico
  22. Autumn deciduous forest, Shenandoah National Park, Virginia
  23. Mt Rainier reflected in lake Mt Rainier National Park Washington
  24. African Lion cubs resting on a rock, Hwange National Park, Zimbabwe
  25. Bobcat (Lynx rufus) mother and kitten, North America
  26. Tallgrass Prairie National Preserve, Kansas
  27. Mallard pair in Cypress swamp, Calcasieu River, Lake Charles, Louisiana
  28. Conifers In Winter, Yellowstone National Park, Wyoming
  29. Saguaro and Teddybear Cholla amid flowering Lupine and California Brittlebush
  30. Saguaro cacti and Superstition Mountains, Lost Dutchman State Park, Arizona
  31. Birch forest, Pictured Rocks National Lakeshore, Michigan
  32. Atlantic coast from Cadillac Mountain, Acadia National Park, Maine
  33. Colorado Blue Columbine (Aquilegia caerulea) meadow at American Basin, Colorado
  34. Sand Dunes At Sunset, White Sands NM, New Mexico
  35. Snow Geese and Sandhill Cranes, Bosque del Apache National Wildlife Refuge, New Mexico
  36. Orange Sneezeweed and Indian Paintbrush beside stream, Yankee Boy Basin, Colorado
  37. Surf crashing on rocks at Keoneloa Bay Maui Hawaii
  38. Colorado River At Horseshoe Bend, Glen Canyon, Arizona
  39. Field of sunflowers, Flint Hills National Wildlife Refuge, Kansas
  40. Opuntia cactus, Chisos Mountains, Big Bend National Park, Chihuahuan Desert, Texas
  41. Balanced rocks, Guadalupe Mountain National Park, Texas
  42. Storm clouds over South Llano River, South Llano River State Park, Texas
  43. Aspen forest overlooking Fremont Lake, Bridger-Teton National Forest, Wyoming
  44. Herb of the Cross at Franklin Mountains State Park, Chihuahuan Desert, Texas
  45. Ajo Mountains, Organ Pipe Cactus National Monument, Sonoran Desert, Arizona
  46. Crabtree Falls cascading into stream in forest, Blue Ridge Parkway, North Carolina
  47. Paintbrush and the Organ Rock Arches National Park Utah
  48. Winter Forest, Aspen Vista, Santa Fe National Forest, New Mexico