Welcome to the on-line Antietam and Monocacy Museum Store operated by the Western Maryland Interpretive Association (WMIA), a not-for-profit cooperating association of Antietam and Monocacy National Battlefields. The webstore is in the process of closing. If you have any questions or would like to purchase a specific item previously listed on this page please contact the Antietam Museum Store at (301) 432-4329. For items related to all our national parks please contact www.parks.com