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Peter Smallwood

Views of the sunken road, known as the "bloody lane", on the Antietam battlefield, where over 5,500 soldiers lost their lives in four hours of combat on September 17 of 1862, as seen on March 26, 2019 in the farmland outside of the small village of Sharpsburg, Maryland. The Civil War battlefield has been preserved by the National Park Service as an historical site. (Andrew Lichtenstein/Corbis via Getty Images)

Battlefields around the world are finding new purpose as parks and refuges

Todd Lookingbill, Peter Smallwood