Flying somewhere this weekend?

Even if you’re staying home, here’s a great way to save some cash and get some culture.

Bank of America’s Museums on US program offers free admission to more than 70 museums around the country on the first full weekend (Saturday and Sunday) of each month. All you need to do is show an ID and a Bank of America check, credit or ATM card. (Or find a friend who has one.)

Some great museums are on the list, including the Henry Ford Museum in Dearborn, Michigan, the de Young Museum in San Francisco, the Museum of History and Industry in Seattle, and the Art Institute of Chicago.

Check here for a list of museums participating in the program.

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At the Henry Ford Museum: The only remaining prototype of R. Buckminster Fuller’s Dymaxion House.