Pea Ridge National Military Park

Drive out to the Pea Ridge battlefield near Garfield, Arkansas after dark, and the people who live nearby will tell you the fields don't stay quiet. They report musket fire cracking across the open ground with no one firing, the figures of soldiers drifting through the treeline at the back of the park, and the feeling of being followed by something they can't see. Some add the smell of gunpowder, or drum signals with no drummer — though those come from the looser tellings.

What happened here is documented down to the casualty count. Over two days in March 1862, about 26,000 men fought across these cornfields and oak ridges, and when the smoke cleared, nearly 4,000 of them were dead, wounded, or missing. The Union held. The Confederate army withdrew east of the Mississippi afterward and left Arkansas largely undefended.

At the center of it stood a roadside inn called Elkhorn Tavern, named for a rack of elk antlers mounted on its roof. It sat where three roads met, which made it the pivot of the first day's fighting — and when the Confederates seized it on March 7, they carried the wounded of both sides up to its rooms and turned it into a field hospital. Surgeons worked over the men there while the battle went on outside.

The tavern standing today isn't the one they operated in. Guerrillas burned the original in 1863, and the owner's family rebuilt it on the same foundations in 1865. It's the centerpiece of the park now, a reconstruction on the exact ground where the surgeons worked.

The Park Service keeps the battlefield as one of the most intact in the country — the same fields, the same road junction, the same low ridges the men died on. No ranger has gone on record about a ghost, and no investigation has tied a single report to a name or a date. What there is, is the open ground, and the people who cross it at night and come back saying the same thing: the firing didn't stop when the war did.