Gettysburg, Pennsylvania is best known as the site of the most significant battle of the American Civil War, fought over three days in July 1863. Today, visitors can explore the 6,000-acre Gettysburg National Military Park, which preserves the battlefield in remarkable detail. Over 1,300 monuments, cannons, and markers dot the landscape, each telling a piece of the story. One of the most visited spots is Little Round Top, where Union forces held their ground in a pivotal moment of the battle.