On February 9, 1864, more than 100 Union prisoners tunneled their way to freedom in an audacious escape from Libby Prison in the Confederate capital of Richmond, Virginia. More than half of the prisoners made their way to Union lines while others were recaptured and returned to the confines of Libby. Libby Prison started as an old food warehouse on Tobacco Row along the James River. Captain Luther Libby, along with his son George W. Libby, leased the three-story brick building where they...