Founded in 1997, the Anacostia Trails Heritage Organization is dedicated to preserving, enhancing and publicizing important sites within Prince George's County. The organization's reach covers 84 square miles of historic, cultural, recreational and environmental sites, including the Riverdale House Museum, Bostwick Mansion, the Laurel Museum and the College Park Aviation System. The Anacostia Trails Heritage Organization's offices are located in the City of Hyattsville Municipal Building on Gallatin Street.