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  1. Colorado Blue Columbine (Aquilegia caerulea) flowers in American Basin, Colorado
  2. Dismal Falls, Jefferson National Forest, Virginia
  3. Autumn along Swift River White Mountains National Forest New Hampshire
  4. Wild Goose Island in St Mary's Lake, Glacier National Park, Montana
  5. Rock Formation At Twilight, Church Rock, Red Rock State Park, New Mexico
  6. Rock Arch At Sunrise, La Ventana Arch, El Malpais NM, New Mexico
  7. Cascading waterfall in Jefferson National Forest, Virginia
  8. Orange Sneezeweed and Indian Paintbrush wildflower meadow, Yankee Boy Basin, Colorado
  9. Storm clouds and South Llano River, South Llano River State Park, Texas
  10. Deciduous forest in autumn along Price Lake, Blue Ridge Parkway, North Carolina
  11. American Bison Grazing Near Fountain Paint Pot, Yellowstone National Park, Wyoming
  12. Teddy Bear Cholla Joshua Tree National Park California
  13. Mountain Lion (Felis concolor) portrait, North America
  14. Aspen grove in fall colors, Maroon Bells, Snowmass Wilderness, Colorado
  15. Upper prairie in Badlands National Park, South Dakota
  16. Panorama of West Needle Mountains, Weminuche Wilderness, Colorado
  17. Aspen (Populus tremuloides) trunks, Colorado
  18. Common Sunflower (Helianthus annuus) flowers, North America
  19. Great Smoky Mountains from, Blue Ridge Parkway, North Carolina
  20. Quaking Aspen forest in autumn, Marcellina Mountain, Raggeds Wilderness, Colorado
  21. Claret Cup Cactus Near Barker Pond Trail, Joshua Tree National Park, California
  22. Autumn along Swift River White Mountains National Forest New Hampshire
  23. Beach at Jughandle State Reserve, Mendocino County, California
  24. Laughing Gulls Flying Over Coastal Dunes, Gulf Islands National Seashore, Florida
  25. Osprey (Pandion haliaetus) flying, North America
  26. Sand Creek cascades in Osage Hills State Park, Oklahoma
  27. Carson Range reflected in Washoe Lake, Nevada
  28. Red Mountain and pond, near Ouray, Colorado
  29. The Watchman, outcropping near south entrance of Zion National Park, Utah
  30. Conifers In Winter, Yellowstone National Park, Wyoming
  31. Organ Mountains, Chihuahuan Desert, New Mexico
  32. Claret Cup Cactus (Echinocereus triglochidiatus) flowering, Utah
  33. Larkspur Flowers, American Basin, Colorado
  34. Copper-Rumped Hummingbird Flying, Trinidad, Caribbean
  35. Joshua Trees at sunrise near Quail Springs, Joshua Tree National Park, California
  36. Coastal sand dunes, Saint Joseph Peninsula, Florida
  37. Broadleaf forest in fall colors as seen from Buck Hollow Overlook, Virginia
  38. Cliffs and the Pacific Ocean, Garrapata State Beach, Big Sur, California
  39. Sandstone striations and erosional features, Badlands National Park, South Dakota
  40. Green Sea Turtle, Balicasag Island, Philippines
  41. Appalachian Mountains from Doughton Park, Blue Ridge Parkway, North Carolina
  42. Mt Rainier reflected in lake, Mt Rainier National Park, Washington
  43. Sunset over forest, Crater Lake National Park, Oregon
  44. Bean Hollow Beach, Big Sur, California
  45. Panamint Range over the Furnace Creek playa, Death Valley National Park, California
  46. Surf, Playa Langosta, Guanacaste, Costa Rica
  47. Deciduous forest in autumn, Blue Ridge Parkway, Great Smoky Mountains, North Carolina
  48. Gray Wolf (Canis lupus) pups in light snowfall, North America