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  1. Silhouette of buildings at dusk, Boston, Massachusetts
  2. Pond, Barker Pond Trail, Joshua Tree National Park, California
  3. A United Launch Alliance Delta II rocket lifts off from its launch complex
  4. Boardwalk passing through a forest Lettuce Lake Park Tampa Hillsborough County Florida
  5. Concert hall, Walt Disney Concert Hall, City of Los Angeles, California
  6. Nubble Lighthouse In Massachusetts
  7. Redwoods In Snow In Mariposa Grove, Yosemite National Park, California
  8. High angle view of a cityscape, Tucson, Arizona
  9. Maple Glade Trail, Quinault Rainforest, Olympic National Park, Washington State
  10. Stair Up Metro System
  11. Florida, St. Augustine, Palm Coast, St. Augustine Beach
  12. River flowing through a forest, Delaware River, Delaware County, New York State
  13. Silhouette of a bridge at dusk, Talmadge Bridge, Savannah, Georgia
  14. Colorado House 2
  15. Columbia South Carolina Skyline
  16. Antique Car and Gas Pumps
  17. Oregon, John Day Fossil Beds National Monument
  18. Smokehouse
  19. Downtown Philadelphia PA
  20. Grand Central Station, Madison Avenue, New York City, New York State
  21. Sidestreet with a view of the Manhattan Bridge in New York City
  22. Aerial view of buildings in a city, Lake Michigan, Lake Shore Drive, Chicago, Illinois
  23. Boats in the sea, Provincetown, Cape Cod, Massachusetts
  24. Kentucky - USGS State Mosaic
  25. Grand Prismatic Spring, Midway Geyser Basin, Yellowstone National Park, Wyoming, USA
  26. Water falling on rocks, Kapoloa Falls, Kohala, Hawaii
  27. Reeds in a river, Colorado River
  28. Trees in the forest, Red Alder Tree, Olympic National Park, Washington State
  29. Black And White NOLA Collection - The Most Famous Balcony
  30. Trading floor of a stock exchange, Chicago Mercantile Exchange, Chicago, Illinois,
  31. Capitol Reef National Park
  32. Swan boats in a river, Boston Public Garden, Boston, Massachusetts
  33. Signboard of a hotel Beverly Hills Hotel Beverly Hills Los Angeles County California
  34. 18 huskies begin the long haul of 1049 miles to Nome, John Barron in Iditarod Race 1991, Alaska
  35. Rock Climbing Indian Creek UT
  36. Autumn color forest, Palisades-Kepler State Park, Iowa
  37. Cannon Ball Concretions in the badlands, Theodore Roosevelt National Park, North Dakota
  38. High angle view of a road running through a landscape, Mt Tamalpais, California
  39. Snowcapped mountain on a landscape, South Sister, Oregon
  40. Arkansas - USGS State Mosaic
  41. Highway passing through a landscape, Interstate 94, Badlands, Theodore Roosevelt National Park, North Dakota
  42. Kittery Maine
  43. Hiker on Eagle Peak promontory Admiralty Island Tongass National Fores
  44. Ladder leading into an opening of a cliff dwelling, Mesa Verde National Park, Colorado
  45. Washington, conifers at Grove of the Patriarchs, Mt. Rainier National Park
  46. Coyote Buttes VII Blush
  47. Alaska, float plane on a lake along the Denali Highway
  48. Georgia, Savannah, Bonaventure Cemetery