If you tour the Bureau of Engraving and Printing in Washington, it’s important to remember that you can look, but not touch. (Marvin Joseph/The Washington Post)

So, now that you know that all this money is made right here in Washington, would you like to see the huge machines creating million s and millions of dollars? Well, you can take a 40-minute tour that shows the bureau in action. Unfortunately, unlike on some other tours, there are no free samples.

Where: Bureau of Engraving and Printing, 14th and C streets SW

When: Until August 24, tours run every 15 minutes from 9 a.m. to
7 p.m. You have to wait outside the bureau in a line for tickets. Starting August 27, tours run every 15 minutes from 9 a.m. to 10:45 a.m. and from 12:30 p.m. to 2 p.m., and tickets are not required. The bureau is closed weekends, federal holidays and the week between Christmas and New Year’s.

Who: The tour is especially great for kids ages 7 and older, but it is open to everyone.

How much: Free!