http://www.virtualgettysburg.com This movie describes the different viewing options available once a battlefield tours has stopped. Stephen Recker's Virtual Gettysburg is a powerful, interactive
simulation of the battlefield at Gettysburg, Pennsylvania, site of the high tide of the Confederacy and turning point of the Civil War. Different from role playing games, Virtual Gettysburg allows you to explore the battles and fields using historical data in an accurate, dynamic and immersive 3D world.