•
American Dime Museum, Baltimore, museum of curiosities • Antique Toy Museum, Baltimore, closed in 2012 •
Bagpipe Museum, Ellicott City • Brannock Maritime Museum, Cambridge - collections merged with Richardson Maritime Museum in 2004 • Christian Heritage Museum, Hagerstown •
Contemporary Museum,
Baltimore, closed in 2012 • Fells Point Maritime Museum, Baltimore, collections now at
Maryland Center for History and Culture • Mount Vernon Museum of Incandescent Lighting, Baltimore, 2002, collection now at
Baltimore Museum of Industry, • Museum of Menstruation and Women's Health, New Carrollton, closed in 1998, now online only, •
National Children's Museum was located in
National Harbor from 2012 to 2015 •
Peale Museum, Baltimore - holdings transferred to Maryland Historical Society in 1999 • PlayWiseKids,
Columbia • Presidential Pet Museum, moved from Annapolis to President's Park,
Williamsburg, VA • Queen City Transportation Museum, Cumberland, closed in 2011 • Ripken Museum,
Aberdeen, memorabilia about baseball player
Cal Ripken and family, baseball memorabilia • Townsend House & Pullen Museum, Catonsville, closed in 2021 when the Catonsville Historical Society dissolved and sold the building. •
U.S. Army Ordnance Museum,
Aberdeen, closed Maryland museum location in 2010, moving to Fort Lee (now
Fort Gregg-Adams), Virginia, outdoor exhibits still on display • Waters House History Center,
Germantown, closed in 2010 • Wheels of Yesterday, Ocean City, closed in 2012 •
Ripley's Believe It or Not! Baltimore An "odditorium" in
Harborplace's Light Street Pavilion and opened in June 2012. Closed permanently in May 2020. == See also ==