B&O Unlocked: B&O No. 3528
History & Heritage
B&O No. 3528 Photo
Baltimore
The B&O Railroad Museum’s annual Unlocked series returns—this year with a special tribute to America’s 250th anniversary. This October, we are unlocking one of our hidden gems: the B&O No. 3528!
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October 21-25, 2026
901 W. Pratt St.
Baltimore MD 21223
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B&O No. 3528 Photo
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Copyright 2026 Visit Maryland, Maryland Office of Tourism Development. All Rights Reserved.
Our Partners:
Maryland Office of Tourism Logo Maryland Department of Natural Resources Logo