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  1. Anna's Hummingbird Flying Near Bee, Arizona
  2. Wild Goose Island in St Mary's Lake, Glacier National Park, Montana
  3. Coastal sand dunes, Saint Joseph Peninsula, Florida
  4. Great Horned Owl (Bubo virginianus) pale form, Kootenays, British Columbia, Canada
  5. Claret Cup Cactus (Echinocereus triglochidiatus) flowers in bloom
  6. Milky Way And Barker Pond Trail, Joshua Tree National Park, California
  7. Bean Hollow Beach, Big Sur, California
  8. Opuntia Cactus And Mountain, Red Rock-Secret Mountain Wilderness, Arizona
  9. Autumn along Swift River White Mountains National Forest New Hampshire
  10. Surf, Playa Langosta, Guanacaste, Costa Rica
  11. Mountain Lion (Felis concolor) portrait, North America
  12. Laughing Gulls Flying Over Coastal Dunes, Gulf Islands National Seashore, Florida
  13. Quaking Aspen forest in autumn, Marcellina Mountain, Raggeds Wilderness, Colorado
  14. Sand Bluebonnet (Lupinus subcarnosus) and Pointed Phlox (Phlox cuspidata)
  15. Mammoth Peak and scattered clouds reflected in lake, Yosemite National Park, California
  16. Cottonwood (Populus sp) trees, fall foliage, Carson Valley, Nevada
  17. Snowy Owl adult perching on a low stump in a field of green grass, British Columbia
  18. Sandstone striations and erosional features, Badlands National Park, South Dakota
  19. Cascading waterfall in Jefferson National Forest, Virginia
  20. Red Mountain and pond, near Ouray, Colorado
  21. Aspen trees in autumn, Santa Fe National Forest near Santa Fe, New Mexico
  22. Grasslands, Arapaho National Wildlife Refuge, Colorado
  23. Wizard Island in the center of Crater Lake, Crater Lake National Park, Oregon
  24. Temple of the Sun with Common Sunflowers, Capitol Reef National Park, Utah
  25. Deciduous forest in autumn along Price Lake, Blue Ridge Parkway, North Carolina
  26. Upper prairie in Badlands National Park, South Dakota
  27. Snowy Owl (Nyctea scandiaca) adult, circumpolar species, British Columbia, Canada
  28. Arch Rock and moon, Valley of Fire State Park, Nevada
  29. Lone pine tree with East and West Temples in the background, Zion National Park, Utah
  30. Quaking Aspens In Fall, Kebler Pass, Colorado
  31. Sunrise at San Luis Reservoir, San Joaquin Valley, California
  32. Creek, Castle Mountain, Capitol Reef National Park, Utah
  33. Calla Lilies, Garrapata State Beach, Big Sur, California
  34. Saguaro (Carnegiea gigantea) cactus at beach, Cabo San Lucas, Mexico
  35. Autumn along Swift River White Mountains National Forest New Hampshire
  36. Aspen (Populus tremuloides) forest, Colorado
  37. Water rushing through coastal rocks, Prince Edward Island, Canada
  38. Orange Sneezeweed blooming in meadow with East Beckwith Mountain, Colorado
  39. Rhododendron And Coast Redwoods In Fog, Redwood National Park, California
  40. Mandarin Duck (Aix galericulata) male, Jurong Bird Park, Singapore
  41. El Capitan, Guadalupe Mountains National Park, Texas
  42. Common Sunflower (Helianthus annuus) flowers, North America
  43. Mount Tom, Sierra Nevada, John Muir Wilderness, Inyo National Forest, California
  44. French River, Ontario, Canada
  45. Mt Baker, Cascade Mountains, Washington
  46. Colorado Blue Columbine (Aquilegia caerulea) close up of bloom, North America
  47. Colorado River flowing through canyons of Dead Horse Point State Park, Utah
  48. Sunrise and crescent moon overlooking Haleakala Crater, Maui, Hawaii