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  1. Siberian Tiger (Panthera tigris altaica) portrait, endangered, native to Siberia
  2. Palm trees line Penca Beach, Costa Rica
  3. Pyramid Mountain and forest reflected in Patricia Lake, Jasper National Park, Canada
  4. Gray Wolf pup, Montana
  5. Natural bridge on El Matador State Beach, California
  6. Raccoon (Procyon Lotor) two babies climbing tree, North America
  7. The Watchman, Zion National Park, Utah
  8. Delaware Falls, Ricketts Glen State Park, Pennsylvania
  9. North Falls, Silver Falls State Park near Salem, Oregon
  10. Sea arch and full moon over El Matador State Beach, Malibu, California
  11. Clouds reflected in water at Cottonwood Pass Rocky Mountains Colorado
  12. Nokhu crags hornfel layers carved by glaciers Medicine Bow Range Colorado
  13. Sun illuminating the Alabama Hills California
  14. Plains Pricklypear (Opuntia polyacantha), Arches National Park, Utah
  15. Colorado River from Toroweap Overlook, Grand Canyon National Park, Arizona
  16. Yellowstone Lake, Yellowstone National Park, Wyoming
  17. Lake Bailey, Petit Jean State Park, Arkansas
  18. Grizzly Bear (Ursus arctos horribilis) calling, North America
  19. Sandy beach, Oahu, Hawaii
  20. Green Sea Turtle (Chelonia mydas), Balicasag Island, Philippines
  21. Timber Wolf (Canis lupus) portrait, North America
  22. Boreal forest along lake edge, Nutzotin Mountains, Alaska
  23. El Capitan and Balanced Rock, Guadalupe Mountains National Park, Texas
  24. Cottonwood (Populus sp) trees, fall foliage, Carson Valley, Nevada
  25. Shiprock, the basalt core of an extinct volcano, New Mexico
  26. Cathedral Rock reflected in Oak Creek, Red Rock State Park near Sedona, Arizona
  27. Timber Wolves (Canis lupus) close-up portrait of pair howling in snow, North America
  28. Pine (Pinus sp) trees covered with snow in winter, Yellowstone National Park, Wyoming
  29. Steam rising from Mammoth Hot Springs, Yellowstone National Park, Wyoming
  30. Incoming waves at Bandon Beach, Oregon
  31. Purple-throated Woodstar hummingbird hovering near Bougainveillea flower
  32. Mt Moran reflected in Oxbow Bend, Grand Teton National Park, Wyoming
  33. Mormon row barn, Grand Teton National Park, Wyoming
  34. Pacific Ocean waves and cliffs at Keoneloa Bay, Kauai, Hawaii
  35. Shoebill (Balaeniceps rex), Jurong Bird Park, Singapore
  36. Green River Overlook, Canyonlands National Park, Utah
  37. Ocotillo and the Vallecito Mountains, Anza-Borrego Desert State Park, California
  38. Crashing waves at Garrapata State Beach, Big Sur, California
  39. Aspen in fall colors and Maroon Bells, Elk Mountains, Snowmass Wilderness, Colorado
  40. Waves crashing on rocky shore, Wawaloli Beach, Big Island, Hawaii
  41. Handies Peak reflected in beaver pond, Maroon Bells-Snowmass Wilderness Area, Colorado
  42. Ruby Beach with seastacks and boulders, Olympic National Park, Washington
  43. Siberian Tiger (Panthera tigris altaica) leaping across river, Asia
  44. Siberian Tiger (Panthera tigris altaica) running, native to Russia
  45. Mule Deer in the grasslands of Badlands National Park, South Dakota
  46. Badlands in Theodore Roosevelt National Park, North Dakota
  47. Mexican Golden Poppy (Eschscholzia glyptosperma) detail, New Mexico
  48. Sunrise at Hurricane Ridge, Olympic National Park, Washington