Ft. McHenry’s Gunpowder Storehouse
Gunpowder for Fort McHenry was kept in the Magazine. The term magazine comes from French and Arabic, meaning storehouse.
Some historians say the Magazine is the most important structure of any fort.
See more of Bill Swartwout’s photographs of Fort McHenry here: http://www.billswartwoutphotography.com/collections/fort+mchenry