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.
Each bar stands for a number: 7 4 2 1 and 0.
Add up the two tall bars in each group of five. Ignore the short bars.
Example: 2 + 0 = 2. These five bars equal the number 2.
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