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  1. Zulu Warriors
  2. Davy Crockett: Hero of the Alamo
  3. Prague Astronomical Clock
  4. Civil War print showing the Naval Battle of the Monitor and The Merrimack
  5. California, Summit City, Shasta Dam, Shasta Lake, with view of Mt. Shasta
  6. Vintage Civil War print of Abraham Lincoln riding on horseback as a crowd cheers
  7. South American Independence
  8. A pair of Allosaurus dinosaurs explore the remains of a Diplodocus carcass
  9. Civil War print depicting the Union Army's capture of Fort Fisher
  10. The Fox and the Crow, Selected Fontaine's Fables
  11. Chain Of Molecules
  12. Vintage Civil War poster of the Battle of Missionary Ridge
  13. Pipes at Nesjavellir Geothermal Power Plant, Iceland
  14. The Swedish Warship Vasa
  15. View looking from inside the mouth while at the dentist
  16. Molecule Testosterone
  17. William Harvey
  18. Scanning electron micrograph of just-divided HeLa cells
  19. Presidential portrait of Jimmy Carter
  20. Take part in America's Crusade against Tuberculosis - WPA Poster
  21. Blue Gemstones Found Near Jodhpur
  22. Civil War print of Abraham Lincoln riding on horseback as a crowd cheers
  23. STS-127 Mission
  24. Teaching is Heart Work I
  25. STS-114 Mission