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  1. The United States flag proudly flying in front of Mount Rushmore
  2. Kayakers in the turquoise waters of Grace Bay, in the Turks and Caicos Islands
  3. Sunset over the Caribbean Sea and silhouetted palm trees
  4. Bungalows on stilts in a lagoon with Mount Otemanu in the near distance
  5. A blazing sunset over the Caribbean Sea
  6. Overlooking Cartagena, Colombia lit up at night
  7. Key Largo, Florida
  8. Key Largo, Florida Keys, Florida
  9. A woman in between giant sequoia trees gives scale to their size
  10. Tall, thin palm trees leaning seaward from a tropical beach
  11. A llama at the pre-Columbian Inca ruins at Machu Picchu
  12. A supercell anvil cloud filled with discharging electricity
  13. A purple and pink sky at sunset over Grace Bay and the beach
  14. A colorful sign welcoming people to Key Largo
  15. A rainbow over a grain silo and wheat field after a thunderstorm
  16. The sun sets behind a row of spinning windmills or wind turbines
  17. Aerial of a Caribbean sandbar with current created grooves and channels
  18. Intense purple lightning bolts strike in the desert of New Mexico
  19. Underwater sand dunes in deep blue Caribbean waters near the Turks and Caicos Islands
  20. Space Shuttle Atlantis sitting on launch pad 39B awaiting lift off
  21. A silhouetted tree at sunset
  22. A kiteboarder enjoying gusty winds created by Hurricane Tomas
  23. The Colorado River erodes the canyon walls at Horseshoe Bend
  24. Old Bridge, Bahia Honda Key, Florida Keys, Florida
  25. Bungalows in a turquoise water lagoon in Bora Bora
  26. Fireworks and Saint Louis Arch during Lewis and Clark 200th anniversary
  27. Rays of sun shine through gaps in the Andes mountains at Machu Picchu
  28. A rotating supercell thunderstorm over hills and plains in Nebraska
  29. Peruvian pelicans sitting on a seawall at the beach
  30. Tourists enjoying natural hot springs in Bolivia's altiplano
  31. A contrast of dark storms overhead and sunlit storms on the horizon
  32. Boaters enjoying the turquoise waters of Grace Bay, in the Turks and Caicos Islands
  33. Sunset over the city of Cartagena, Colombia
  34. Close up portrait of an American Oystercatcher walking along a pristine beach
  35. Sun rays shine through breaking clouds at Jokulsarlon glacial lagoon on Iceland
  36. A brilliant rainbow visible in the mists from the Iguacu Falls
  37. Aerial of large crowd at the Copacabana Beach in Rio de Janeiro
  38. Brilliantly colored trees on a lake shore during autumn
  39. Just above the clouds, the sky split into blue and white layers
  40. Brilliant red leaves on a sugar maple tree in autumn
  41. A llama in Cactus Island, in the middle of the Salar de Uyuni salt pan
  42. A large lightning bolt strikes behind a storm chaser's moving van
  43. Intense purple lightning bolts strike in the desert of New Mexico
  44. Lightning bolt strikes out of a typical monsoonal lightning storm
  45. Flamingos feeding at a lagoon in Bolivia's southwest altiplano
  46. Aerial view of Palau's Rock Islands in the turquoise waters of the Pacific Ocean
  47. An aurora borealis near the famous Arctic Circle sign
  48. Fisheye view of blue skies and clear waters at Bahama Islands beaches