Here are the top 20 Civil War battlefields, determined by the number of visitors in 1990.1. Gettysburg, Pa. 1.2 million

2. Chickamauga/Chattanooga 955,000

3. Manassas, Va. (Bull Run) 787,000

4. Kennesaw Mountain, Ga. 784,000

5. Harper's Ferry, W.Va. 542,000

6. Vicksburg, Miss. 530,000

7. Arlington House, Va. (Lee's home) 449,000

8. Fredericksburg/Spotsylvania, Va. 449,000

9. Richmond, Va. 428,000

10. Appomattox, Va. 402,000

11. Ft. Pulaski, Ga. 342,000

12. Shiloh, Tenn. 337,000

13. Ft. Donelson, Tenn. 285,000

14. Petersburg, Va. 250,000

15. Ft. Sumter, S.C. 249,000

16. Antietam, Md. 217,000

17. Stone's River, Tenn. 192,000

18. Wilson's Creek, Mo. 156,000

19. Andersonville, Ga. 131,000

20. Pea Ridge, Ark. 109,000