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  1. Signing the Declaration of Independence, 4th July 1776, c.1817
  2. Solar System 1
  3. Declaration Of Independence
  4. Bright Periodic Table - Navy, Modern Text
  5. Rosie The Riveter vintage war poster from World War II
  6. Antique Periodic Table
  7. Timeline of Life on Earth
  8. Antique Periodic Table - Classic Text
  9. Zulu Warriors
  10. Egyptian Papyrus
  11. Napoleon Bonaparte at the Royal Military School of Brienne
  12. The Entrance of Joan of Arc into Orleans on 8th May 1429
  13. Fortifications Crazy Lace Agate
  14. Civil War painting of Union and Confederate troops fighting at The Battle of Antietam
  15. Zulu Warrior
  16. George Washington By Gilbert Stuart
  17. Solar System III
  18. Composite of 110 different species of ducks and geese
  19. Electromagnetism
  20. Albert Einstein
  21. Condor Agate With Fortifcations
  22. Cherry Creek Jasper
  23. Neon Periodic Table
  24. 1938 Character Culture Citizenship Guide Poster, Read Good Books
  25. Oregon, Owyhee River Valley. Close-up of Morrisonite Jasper stone
  26. Meat For the Tribe, 1891
  27. Prague Astronomical Clock
  28. Explorers Wanted on the Journey to Mars
  29. Davy Crockett: Hero of the Alamo
  30. Coral Reef
  31. Andrew Jackson, by Thomas Sully, 1845
  32. Underground Railroad Map
  33. Pharoahs of Egypt
  34. Spanish Conquistadors
  35. Normal spine, X-ray
  36. Pencils
  37. Close Ups Of Fortification On Crazy Lace Agate
  38. Brain, artwork
  39. Ancient Egyptian Art
  40. The Trenches
  41. Constitution of the united states of america
  42. Let Freedom Ring I
  43. Brain, artwork
  44. Oil well pump jacks at Bakken Oil Field near Estevan, Saskatchewan, Canada
  45. Electric Coloured Sky
  46. Let Freedom Ring II
  47. Paul Revere By John Singleton Copley
  48. Agate Studies III