On a spring horseback tour of the Gettysburg battlefield, the Nussbaumfamily visits the Henry Spangler Farm, which served as a field hospital during and after the July 1-3, 1863, battle. From the left are father Rob; Madigan, 9; mother Nancy; and Nicole, 14. Riding horseback brings tourists closer to the troops' vantage. (Associated Press)

On a spring horseback tour of the Gettysburg battlefield, the Nussbaumfamily visits the Henry Spangler Farm, which served as a field hospital during and after the July 1-3, 1863, battle. From the left are father Rob; Madigan, 9; mother Nancy; and Nicole, 14. Riding horseback brings tourists closer to the troops' vantage. (Associated Press)