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  1. Common Sunflower (Helianthus annuus) group showing symmetrical seed heads, North America
  2. Starry sky with silhouetted Oak tree
  3. Trumpeter Swan Trio Flying, Magness Lake, Arkansas
  4. Rock Formations At Night, City Of Rocks State Park, New Mexico
  5. Lake Bailey, Petit Jean State Park, Arkansas
  6. Ponderosa Pine trees after fresh snowfall, Rocky Mountain National Park, Colorado
  7. Long-eared Owl perching in a tree, circumpolar species, British Columbia, Canada
  8. Mormon row barn, Grand Teton National Park, Wyoming
  9. Nokhu crags hornfel layers carved by glaciers Medicine Bow Range Colorado
  10. Tree reflecting in creek near Black Mesa State Park, Oklahoma
  11. Gray Wolf (Canis lupus) pups in light snowfall, North America
  12. Pacific Rhododendrons and Coast Redwood, Del Norte Coast, California
  13. Towers of the Virgin with cloud shadows, Zion National Park, Utah
  14. John Day River near Dayville, Oregon
  15. Mt Spry with the Virgin River surrounded by Cottonwood trees, Zion National Park, Utah
  16. Aspen trees and Fireweed, Collegiate Peaks Wilderness Area, Colorado
  17. Rock Falls, Havasu Canyon, Grand Canyon National Park, Arizona
  18. Mt Spry with the Virgin River surrounded by Cottonwood trees, Zion National Park, Utah
  19. Mountain Lion (Felis concolor) portrait, North America
  20. Incoming fog on Mount Rainier, Mount Rainier National Park, Washington
  21. Seastacks on El Matador State Beach, Malibu, California
  22. Atlantic coast near Thunder Hole, Acadia National Park, Maine
  23. Claret Cup Cactus (Echinocereus triglochidiatus) flower, Arizona
  24. Elk Mountains with dusting of snow, Colorado
  25. La Sal Mountains and Globemallows, Salt Valley, Arches National Park, Utah
  26. Agave (Agave sp) plants with pine cones, North America
  27. Panoramic view of the Pioneer Mountains, Idaho
  28. Playa Espadilla, Manuel Antonio National Park, Costa Rica
  29. Cayuga Falls, Ricketts Glen State Park, Pennsylvania
  30. Shipwreck Beach, Kauai, Hawaii
  31. Lake near French River, Ontario, Canada
  32. Colorado River, Glenwood Canyon, Colorado
  33. Sea stack and rocks along shoreline at Ruby Beach, Olympic National Park, Washington
  34. Devil's Tower National Monument, sacred site for Native Americans, Wyoming
  35. Palm trees line Pelada Beach, Costa Rica
  36. Rainbow over Brown Mountain, Colorado
  37. Abbey Island looms over Ruby Beach, Olympic National Park, Washington
  38. Reeds growing through frozen surface of June Lake, eastern Sierra Nevada, California
  39. Pointed Phlox and Indian Paintbrushes in bloom, Hill Country, Texas
  40. Ruby Beach with seastacks and boulders, Olympic National Park, Washington
  41. Rock Falls, Havasu Canyon, Arizona
  42. Common Sunflower (Helianthus annuus) group showing symmetrical seed heads, North America
  43. Atlantic coast near Thunder Hole, Acadia National Park, Maine
  44. El Capitan and Balanced Rock, Guadalupe Mountains National Park, Texas
  45. Mexican Golden Poppy (Eschscholzia glyptosperma) detail, New Mexico
  46. Moon and Twin Peaks reflected in lake, Colorado
  47. Incoming waves at Bandon Beach, Oregon
  48. Long-tailed Sylph feeding on flower nectar, Jurong Bird Park, Singapore