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