Harpers Ferry National Historical Park is a jewel of America's National Park Service. Established by legislation and signed into law by President Roosevelt in 1944, today the park encompasses thousands of acres spanning three states as well as the confluence of the Shenandoah and Potomac Rivers. While the town was ravaged by repeated floods and war, it rose like a phoenix from the ashes. As a Civil War soldier presciently wrote, "In future years travelers...