sentences:  The rural town is best known as the location of the pivotal American Civil War engagement the Battle of Pea Ridge, or, as it is locally known, the Battle of Elkhorn Tavern, which took place approximately east of the town.The site of the battle is preserved as the Pea Ridge National Military Park.The town's downtown business district is on the National Register of Historic Places and largely comprises commercial structures from the late 19th and early 20th centuries.