El Dorado is a city and the county seat of Union County in Arkansas. With its history dating back to the oil boom of the 1920s, El Dorado is dotted with historic buildings, museums, and other attractions. A prime cultural hub, the city is home to important arts and culture landmarks like the Rialto Theater Music Hall, Murphy Arts District, and the South Arkansas Arts Center. For history buffs, the Newton House Museum is a spectacular attraction to be explored. Other places of interest include the iconic Union County Courthouse building, South Arkansas Arboretum, and the El Dorado Commercial Historic District.