Sagamore Spirit Distillery in the Baltimore area, you can taste and visit various kinds of wine, also can make cocktails, of course, you can buy your favorite wine from here.
U. S. Naval Academy, a military academy campus. The campus of the Naval Academy is impressive, and it's an excellent school.
Antietam National Battlefield, you can feel the history here, stop at the tourist center, take part in a guided tour, drive, walk... Many choices! Stop along the way to visit monuments and read information signs, and don't miss the Burnside bridge.
University of Maryland, College Park & Johns Hopkins University are the famous universities in Maryland state. The University of Maryland at College Park has a high reputation for its computer science and business schools, and Johns Hopkins Univerisity in Baltimore is famous for its Medical research field.
Washington DC areas. Maryland is close to Washington DC. If you have enough time for the vacation, it is worth visiting Washington DC as well.