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  1. Vintage Civil War print of the Battle of Gettysburg
  2. Neutral Periodic Table
  3. External anatomy of the human eye (with labels)
  4. Bruce McCandless floating free from spacecraft in orbit, 1984
  5. Religious Book Week, Good Books Build Character
  6. Pharoahs of Egypt
  7. Normal neck, X-ray
  8. Love to Read
  9. Pencils
  10. Library bookshelves
  11. The Presidents Educational Poster, 2013
  12. Agate Studies II
  13. Gas Station 66, Wild West Painting Series
  14. Serotonin neurotransmitter molecule
  15. Saint George and the Dragon
  16. Animal Life Spans
  17. Blue Watercolor Agate Rectangle
  18. Van Gogh from Space - USGS Earth as Art
  19. The Fox and the Grapes, Selected Fontaine's Fables
  20. Earth
  21. Ball Play Of the Choctaw, 1840s
  22. Indigo Agate C
  23. Living Relatives of Dinoaurs
  24. Good Grades and Good Health Go Together - WPA Poster
  25. Bouncing ball
  26. The Teacher
  27. Indigo Agate D
  28. Paisley Agate
  29. Columbus, Map, 15th Century
  30. The Best Teachers
  31. Science classroom
  32. Knight's armor
  33. Earth
  34. Scottish regiment fighting German troops at Battle of Loos
  35. The bones of the neck
  36. Wilson Dam, Alabama, forms portion of the Tennessee River barge route
  37. California, Palm Springs. Windmill Farm along North Indian Canyon Drive
  38. Be Creative
  39. The cervical vertebrae
  40. As Pandora Raised The Lid The Cottage Grew Very Dark. Illustration
  41. Volcanoes - USGS Earth as Art
  42. Mae Jemison (1956- )
  43. Vintage print of Presidents James Garfield, Abraham Lincoln, and William McKinley
  44. A herd of Brachiosaurus travel near a canyon mountain
  45. Spruce Goose - Hughes H-4 Hercules Blueprint: Retro Travel Poster
  46. Rice Terraces, Longsheng Ping'an, Guangxi
  47. Akpatok Island - USGS Earth as Art
  48. Peter and the Mermaids