Today's 150th anniversary of the Battle of Antietam got us thinking: What if Civil War photographer Alexander Gardner ... construction cones sitting on Burnside Bridge. But what's haunting is ...

For the 150th anniversary of the Battle of Antietam, we asked him to retrace the steps of Civil War photographer Alexander Gardner. We wanted to capture the same scenes with the same equipment ...

Sherman Collection of Alexander ... studio, Gardner sports buckskins and a fur hat. National Portrait Gallery, Smithsonian Institution Gardner's 1862 photograph entitled Antietam Bridge, Maryland ...

Entitled "Gardner's Photographic Sketch Book of the War," it remains one of the finest photo records of the conflict. It was pricey, for its time: $150. But it contained shots of the stone bridge ...