Brookside Historic District is a national historic district located at Aurora, Preston County, West Virginia. It encompasses 11 contributing buildings, 1 contributing structure, and 1 contributing site in the small community of Aurora. There are five properties included: Brookside Inn/Gaymont, the Brookside Cottages, Cathedral State Park, Brookside Farm, and the Red Horse Tavern (1825). The community was an important example of a turn-of-the-20th century rural retreat with farm. Owners of the resort took advantage of its location close to the Baltimore and Ohio Railroad and created a respite from the city heat for residents of Washington, Baltimore, Cleveland and other cities.