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  1. Siberian Tiger (Panthera tigris altaica) running, native to Russia
  2. Bristlecone pine, Mt Evans, Colorado
  3. Cloud over White Sands National Monument, Chihuahuan Desert, New Mexico
  4. Resplendent Quetzal (Pharomachrus mocinno) male, Costa Rica
  5. Winter At Dillon Pinnacles, Curecanti NRA, Colorado
  6. Ice on the Colorado River beneath sandstone cliffs, Cataract Canyon, Utah
  7. Mount Sinopah reflected in Two Medicine Lake, Glacier National Park, Montana
  8. Western Sandpipers pair standing back to back with beaks tucked under wings
  9. Conifer And Moon, Bryce Canyon National Park
  10. Cornflower and Pointed Phlox blooming in grassy field, North America
  11. Mandarin Duck (Aix galericulata) male and female, Jurong Bird Park, Singapore
  12. Red-eyed Tree Frog (Agalychnis callidryas) climbing on flower, Costa Rica
  13. Norris Geyser basin with steam plumes from geysers, Yellowstone National Park, Wyoming
  14. Lower Yellowstone Falls Yellowstone National Park Wyoming
  15. Wild Turkey (Meleagris gallopavo) male, North America
  16. Enderts Beach at sunset, Redwood National Park, California
  17. Sunset at San Simeon State Park Big Sur, California
  18. Orange Sneezeweed and Indian Paintbrush flowers in meadow, North America
  19. Shoebill (Balaeniceps rex), Jurong Bird Park, Singapore
  20. Eagle Lake, Acadia National Park, Maine
  21. Trees and dense undergrowth in the Hoh Rainforest, Olympic National Park, Washington
  22. Rufous Hummingbird feeding on the nectar of a Desert Figwort New Mexico
  23. Absaroka Range and Slough Creek, Yellowstone National Park, Wyoming
  24. Paper Kite Butterflies Flying, Philippines
  25. Devil's Tower National Monument showing famous basalt tower, Wyoming
  26. Haystack Mountain with aspen forest, Maroon Bells-Snowmass Wilderness, Colorado
  27. Laurel Creek, Great Smoky Mountains National Park, Tennessee
  28. Quaking Aspen forest and Chair Mountain in autumn, Raggeds Wilderness, Colorado
  29. Sea Arch, El Matador State Beach, California
  30. Ship Rock At Sunset, Remnant Basalt Core Of Extinct Volcano, New Mexico
  31. View over foothills to the west from Kings Canyon National Park, California
  32. Snow dusted mountains, Glacier National Park, Montana
  33. Sea Arch, El Matador State Beach, California
  34. Dwarf Cypress Along Lake Pontchartrain, Fontainbleu State Park, Louisiana
  35. Mountain Lion or Cougar (Felis concolor) portrait, North America
  36. Mandarin Duck (Aix galericulata) male preening, Jurong Bird Park, Singapore
  37. Claret Cup Cactus and Verbena, detail of flowers in bloom, North America
  38. Moon over Playa Espadilla, Costa Rica
  39. Playa Carillo, Guanacaste, Costa Rica
  40. Quaking Aspen (Populus tremuloides) trees in fall, Maroon Bells, Colorado
  41. Cape Buffalo (Syncerus caffer) portrait, Kenya
  42. Firehole river Yellowstone National Park Wyoming
  43. Foxtail Pine at Schulman Grove, White Mountains, Inyo National Forest, California
  44. Peregrine Falcon adult in protective stance standing on downed duck, North America
  45. Red-eyed Tree Frog three sitting on Heliconia (Heliconia sp), Costa Rica.
  46. Green Sea Turtle (Chelonia mydas) and fish, Sabah, Malaysia
  47. Marcellina Mountain and aspen forest in Raggeds Wilderness, Colorado
  48. Porphyry Creek near Silverton, Colorado