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  1. Firehole river, Yellowstone National Park, Wyoming
  2. Palm trees line Pelada Beach, Costa Rica
  3. Panoramic view of the Pioneer Mountains, Idaho
  4. Waterfall, Mcarthur-Burney Falls Memorial State Park, California
  5. Cottonwood Tree and Sandhill Crane flock, Bosque del Apache, New Mexico
  6. Devil's Tower National Monument, sacred site for Native Americans, Wyoming
  7. Wood Stork (Mycteria americana) perched in tree, Everglades National Park, Florida
  8. Sand Dunes At Sunset, White Sands, New Mexico
  9. California Poppy and Desert Bluebell flowers, Antelope Valley, California
  10. Coconut Palm (Cocos nucifera) trees, Pamilacan Island, Bohol Island, Philippines
  11. Timber Wolves (Canis lupus) close-up portrait of pair howling in snow, North America
  12. Redhead Duck (Aythya americana) male with reflection near reeds, Washington
  13. Snowy Owl adult amid dry grass, circumpolar species, British Columbia, Canada
  14. Apollo Beach at Canaveral National Seashore, Florida
  15. North Falls, Silver Falls State Park near Salem, Oregon
  16. Palmyra Peak reflected in Alta Lake near Telluride, Colorado
  17. Ruby Peak, Raggeds Wilderness, Colorado
  18. Sea stack and rocks along shoreline at Ruby Beach, Olympic National Park, Washington
  19. Agave (Agave sp) plants with pine cones, North America
  20. Great Gray Owl perching on a snow-covered branch, British Columbia, Canada
  21. Atlantic coast near Thunder Hole, Acadia National Park, Maine
  22. Balancing rock formation, Guadalupe Mountains National Park, Texas
  23. Reflections In Virgin River After Flooding, Zion National Park, Utah
  24. Mexican Golden Poppy (Eschscholzia glyptosperma) detail, New Mexico
  25. California Poppies in rocky grassland, Canyon Hills, Santa Ana Mountains, California
  26. Quaking Aspens In Winter, Aspen Vista, Santa Fe National Forest, New Mexico
  27. La Plata River, La Plata Canyon, San Juan National Forest, Colorado
  28. Roseate Spoonbill (Ajaja ajaja) wading, North America
  29. Paradise River surrounded by spring flowers, Mt Rainier National Park, Washington
  30. Hoh Rainforest, Olympic National Park, Washington
  31. Chikanishing Creek, Killarney Provincial Park, Ontario, Canada
  32. Abbey Island looms over Ruby Beach, Olympic National Park, Washington
  33. Sea Otter (Enhydra lutris) floating in kelp, North America
  34. Broad-tailed Hummingbird feeding on the nectar of a Desert Penstemon flower
  35. Gothic Mountain and Beaver Lodge, near Crested Butte, Colorado
  36. Handies Peak reflected in beaver pond, Maroon Bells-Snowmass Wilderness Area, Colorado
  37. Plains Pricklypear (Opuntia polyacantha), Arches National Park, Utah
  38. Waterfall, Mcarthur-Burney Falls Memorial State Park, California
  39. Atlantic coast near Thunder Hole, Acadia National Park, Maine
  40. Saguaro and Teddybear Cholla from Picacho Peak State Park, Arizona
  41. Beach at Kirk Creek Beach, Big Sur, California
  42. Raccoon (Procyon Lotor) two babies climbing tree, North America
  43. Magnificent Hummingbird (Eugenes fulgens) female feeding at flower, Costa Rica
  44. Damselfish, Basslet School And Seaweed, Bohol Island, Philippines
  45. Long-eared Owl perching in a tree, circumpolar species, British Columbia, Canada
  46. Pelicans over Playa Langosta, Guanacaste, Costa Rica
  47. Claret Cup Cactus (Echinocereus triglochidiatus) flower, Arizona
  48. Wildflowers and Tatoosh Range, Mount Rainier National Park, Washington