Open daily 10 a.m. to 5:30 p.m.
Admission is always free!
2 Massachusetts Ave., N.E.
Washington, DC 20002
The museum's main entrance is located on the corner of First Street and Massachusetts Avenue NE. Other entrances have variable hours.
Notice that some bars are short and some are long. To decode the barcode, use only the two tall bars within each group of five. Ignore the short bars.
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