Explore Our Local Stonehengelocation_on 15621 Braddock Rd., Centreville language WebsiteEngland’s Neolithic structures have a duplicate at Cox Farms. Drive time from DC: One hour and 15 minutesExamine a Medical Museumlocation_on 2500 Linden Ln. language Websitelocation_on 48 E. Patrick St. language Websitelocation_on 31 S. Greene St. language WebsiteWhen it was created in 1862, Silver Spring’s National Museum of Health and Medicine—then the Army Medical Museum—was on a mission to display “specimens of morbid anatomy.” Up in Frederick, learn about the work of physicians on the battlefield at the National Museum of Civil War Medicine. And for a deep dive into a specific branch of medicine, Baltimore’s Smithsonian-affiliated National Museum of Dentistry covers everything from dental tools to dentures.