1. The Evergreen Cemetery Gatehouse in Gettysburg

2. Confederate dead near the Dunker Church at Antietam (Sharpsburg), MD

3. The Confederate flag flying inside the battered Fort Sumter in Charleston Harbor, SC

4. Aspinwall Hall of the Fairfax Seminary, which was used as a Union hospital in Alexandria, VA

5. Ford's Theater in Washington, D.C.

6. The President's box at Ford's Theatre after the assassination of President Lincoln in Washington, D.C

7. Ford's Theater draped with a mourning cloth and guards outside the entrance after the assassination of President Lincoln in Washington, D.C.

8. Federal squadron dressed with flags for the anniversary of Maj. Robert Anderson's surrender in 1861 seen from a parapet of Fort Sumter, Charleston Harbor, SC. This photo was taken on April 14, 1865.

9. The former office of Price Birch & Company, Dealers in Slaves on Duke Street in Alexandria, VA

10. A dead Confederate soldier in the Slaughter Pen in Gettysburg.

11. Federal soldier disemboweled by a shell in Gettysburg.

12. Fairfax Church, Fairfax, VA

13. Georgetown aqueduct from Virginia side of Potomac with Georgetown University in background

14. A photograph of the crowd during the dedication of the Gettysburg National Cemetery. It was during this event President Lincoln gave his Gettysburg Address.

15. Company F, 3d Regiment Massachusetts Heavy Artillery at Fort Stevens, Washington, D.C.

16. Ruins of houses in Fredericksburg, VA

17. Officers of 2d New York Heavy Artillery, at Fort C.F. Smith in Arlington, VA

18. Georgetown ferry-boat carrying wagons, and Aqueduct Bridge beyond, from rocks on Mason's Island (modern day Teddy Roosevelt Island)

19. General Ulysses Grant at his headquarters in Cold Harbor?

20. The Grand Review of the Army down Pennsylvania Avenue in Washington, D.C.

21. Men and gun of 3d Massachusetts Heavy Artillery at ornamental gate of Fort Totten in Washington, D.C.

22. St. Georges Episcopal church and Court House on Princess Anne Street in Fredericksburg, VA

23. A home in Fredericksburg, VA showing destruction houses suffered by the bombardment on Dec. 13, 1862

24. General Grant with his family at his headquarters at City Point, VA

25. Confederate dead behind the stone wall of Marye's Heights, Fredericksburg, Va., killed during the Battle of Chancellorsville, May 1863

26. Company F, 3d Regiment Massachusetts Heavy Artillery at Fort Stevens, Washington, D.C.

27. Signal Corps officers lowering flag at their camp near Georgetown; General Albert J. Myer, in civilian dress, at right of pole

28. City Hotel (Gatsby's Tavern) in Alexandria, VA

29. Unburied dead on the battlefield of Gaines Mill near Richmond, VA

30. Possibly the most famous photo from Gettysburg - The Gettysburg Sniper - the dead soldier in this photo was moved to this location and posed for this shot

31. The Aqueduct bridge and Georgetown from Arlington, VA

32. A dead Confederate soldier in Gettysburg dear Devil's Den. It has been pretty much confirmed that this is the soldier that Alexander Gardner dragged to the sniper's den. You can see the resulting photo at this link:

33. A dead confederate soldier in the trenches at Petersburg, VA

34. A dead confederate artillerist Petersburg, VA

35. A dead confederate soldier in the trenches at Petersburg, VA

36. A dead confederate soldier in the trenches at Petersburg, VA

37. Headquarters of the United States Sanitary Commission in Gettysburg following the battle.

38. General Grant's Headquarters at City Point, VA

39. General Grant looking over General Meade's shoulder as they look at a map while stopped at the Massaponax Church, near Spotsylvania, VA

40. Soldiers looking over the dead at the Bloody Lane in Antietam (Sharpsburg)

41. Soldiers enjoying some rest in Great Falls, VA

42. General William T. Sherman on horseback at Federal Fort No. 7 near Atlanta, GA

43. Federal graves next to Burnside's Bridge at the Antietam Creek

44. General Grant's staff at City Point, VA

45. Officers of 3d Regiment Massachusetts Heavy Artillery at Fort Totten, Washington, D.C.

46. The old Market House (188 Meeting Street), Charleston, SC

47. View of Maryland Heights from the cemetery at the crest of the hill in Harper's Ferry

48. Soldier springing the trap; men in trees and Capitol dome beyond during the execution of Captain Henry Wirz, the former warden at the Andersonville prison camp in Georgia. Captain Wirz was the first person in the United States to be convicted and executed for war crimes.

49. Coffins and open graves ready for the Lincoln assassination conspirators' bodies at right of scaffold

50. Adjusting the ropes for hanging the Lincoln assassination conspirators at the Washington Arsenal. In this photo I cropped in tight so you can actually see the faces of the conspirators as the ropes are being place around their necks, just moments before their execution.

51. Hanging hooded bodies of the four conspirators at the Washington Arsenal, you can see that the crowd is departing