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  1. Storm clouds over South Llano River, South Llano River State Park, Texas
  2. Saltwater marshes at Cedar Key, Florida
  3. Rolling fog on Clingman's Dome, Great Smoky Mountains National Park, Tennessee
  4. Sand Verbena and Primrose blooming Anza Borrego Desert State Park California
  5. Tricolored Heron (Egretta tricolor) wading, North America
  6. Saguaro cacti and Superstition Mountains, Lost Dutchman State Park, Arizona
  7. Saguaro and Teddybear Cholla amid Lupine and California Brittlebush, Arizona
  8. Joshua Tree Saplings And Cliffs, Red Rock Canyon, Nevada
  9. Bixby Bridge Big Sur California
  10. Green Violet-ear (Colibri thalassinus) hummingbird foraging, Costa Rica
  11. Rhododendron At Mabry Mill, A Restored Sawmill, Blue Ridge Parkway, Virginia
  12. Little Stony Creek flowing through Jefferson National Forest, Virginia
  13. Mt Rainier reflected in lake Mt Rainier National Park Washington
  14. Birch forest, Pictured Rocks National Lakeshore, Michigan
  15. Pond and Avery Peak, San Juan Mountains, Colorado
  16. Green-Throated Mango Male Feeding On Flower Nectar, Trinidad, Caribbean
  17. Opuntia cactus, Chisos Mountains, Big Bend National Park, Chihuahuan Desert, Texas
  18. Elk or Wapiti (Cervus elaphus) male portrait, North America
  19. Larkspur And Paintbrush Flowering, Yankee Boy Basin, San Juan Mountains, Colorado
  20. Timber Wolf (Canis lupus) portrait of pair sitting in snow, North America
  21. Paintbrush and the Organ Rock Arches National Park Utah
  22. Yucca (Yucca sp) and Organ Mountains near Las Cruces, New Mexico
  23. Orange Sneezeweed and Indian Paintbrush beside stream, Yankee Boy Basin, Colorado
  24. Sandy beach at sunset, Oahu, Hawaii
  25. Red Mountain reflected in pond, San Juan Mountains, Colorado
  26. California Poppy (Eschscholzia californica) field, Montano de Oro State Park, California
  27. Autumn deciduous forest, Shenandoah National Park, Virginia
  28. Drummond's Phlox (Phlox drummondii) meadow near Leming, Texas
  29. Field of sunflowers, Flint Hills National Wildlife Refuge, Kansas
  30. Wotans Throne at sunrise from Cape Royal, Grand Canyon National Park, Arizona
  31. Southern Hawker Dragonfly close-up, on stem, New Mexico
  32. Cascades at Emerald Pools, Zion National Park, Utah
  33. Amphitheater from Bryce Point, Bryce Canyon National Park, Utah
  34. Moon over Canyonlands National Park from Green River Overlook, Utah
  35. The Mittens At Sunset, Monument Valley, Arizona
  36. Tallgrass Prairie National Preserve, Kansas
  37. Atlantic coast from Cadillac Mountain, Acadia National Park, Maine
  38. Crabtree Falls cascading into stream in forest, Blue Ridge Parkway, North Carolina
  39. Aspen trees in fall colors, Lost Lake, Gunnison National Forest, Colorado
  40. Saguaro cacti and Superstition Mountains at Lost Dutchman State Park, Arizona
  41. Sandstone mountains, Palo Duro Canyon State Park, Texas
  42. Lower Yellowstone Falls Yellowstone National Park Wyoming
  43. Hedgehog Cactus (Echinocereus engelmannii) flowering, Arizona
  44. Newfound Gap, Great Smoky Mountains National Park, North Carolina
  45. East Beckwith Mountain Colorado
  46. Lover's Beach with crashing waves, Cabo San Lucas, Mexico
  47. Sawtooth Range and Stanley Lake Creek, Idaho
  48. Roaring Fork River flowing through forest in Great Smoky Mountains National Park