there in 1978. Since that time, more than 200,000 artifacts related to 19th century life have been recovered in the park and is the site of ongoing archaeological research on small-town life. The historic buildings provide excellent examples of the architectural styles popular in the 19th century American South. Examples on display are Southern Greek Revival, Federal architecture, Gothic Revival, Italianate, and the rough-hewn timber or brace-frame construction of the frontier. Visitors follow plank board sidewalks along streets that have never been paved. The largest magnolia tree in Arkansas, planted in 1839, also graces the town. Everything within the original 1824 boundaries of the town are listed on the National Register of Historic Places. Collections Historic Washington houses the Southwest Arkansas Regional Archives which is the primary center for historical and genealogical research in the region. The archives contain rare books, court documents, newspapers, census information, photographs, scrapbooks, sheet music, and assorted family histories. See also List of Arkansas state parks National Register of Historic Places listings in Hempstead County, Arkansas References Further reading External links Encyclopedia of Arkansas History & Culture entry Archaeology at Old Washington Historic Washington State Park 1973 establishments in Arkansas Archaeological sites on the National Register of Historic Places in Arkansas Arkansas Heritage Trails System Arkansas in the American Civil War Museums in Hempstead County, Arkansas National Register of Historic Places in Hempstead County, Arkansas Open-air museums in Arkansas Parks on the National Register of Historic Places in Arkansas Pre-statehood history of Arkansas Protected areas established in 1973 Protected areas of Hempstead County, Arkansas State parks of Arkansas Tourist attractions in Hempstead County, Arkansas Works Progress Administration in Arkansas