c.1920 Students at Carlisle Indian School Drytown United States › Pennsylvania › Cumberland › Township of Middlesex › Drytown
1860 ~5km Market Day, Hanover Street entrance Carlisle United States › Pennsylvania › Cumberland › Borough of Carlisle › Carlisle
1863 ~44km Lincoln (absent his usual top hat and highlighted in red) Gettysburg United States › Pennsylvania › Adams › Borough of Gettysburg › Gettysburg
1929 ~44km Autochrome photo Gettysburg United States › Pennsylvania › Adams › Borough of Gettysburg › Gettysburg
1863 ~44km Sketched on the battlefield Gettysburg United States › Pennsylvania › Adams › Borough of Gettysburg › Gettysburg
1863 ~44km Three “Johnnie Reb” Prisoners Gettysburg United States › Pennsylvania › Adams › Borough of Gettysburg › Gettysburg
1863 ~44km A Sharpshooter's Last sleep Gettysburg United States › Pennsylvania › Adams › Borough of Gettysburg › Gettysburg
1863 ~44km Chambersburg Pike Gettysburg United States › Pennsylvania › Adams › Borough of Gettysburg › Gettysburg
1863 ~44km Incidents of the war: "The Harvest of Death" Gettysburg United States › Pennsylvania › Adams › Borough of Gettysburg › Gettysburg
1942 ~72km Earle Landis freezing ice Neffsville United States › Pennsylvania › Lancaster › Township of Manheim › Neffsville
1941 ~85km Swimming hole Pine Grove Mills United States › Pennsylvania › Centre › Township of Ferguson › Pine Grove Mills
1942 ~91km Blacksmith shop Intercourse United States › Pennsylvania › Lancaster › Township of Leacock › Intercourse
1911 ~95km Coal Mine Workers Stevens United States › Pennsylvania › Centre › Township of Benner › Stevens
1947 ~96km Physical Education Parade Carroll Fields United States › Maryland › Carroll › Carroll Fields
1862 ~99km Abraham Lincoln, Allan Pinkerton, and John A. McClernand Sharpsburg United States › Maryland › Washington › Sharpsburg
1862 ~100km Allan Pinkerton on horseback during the Battle of Antietam Potomac Crest United States › Maryland › Washington › Potomac Crest