Bank of America card holders (must show card to receive the deal) receive free admission on the first full weekend of every month.

https://about.bankofamerica.com/en-us/what-guides-us/arts-and-culture/partners.html#fbid=rXDzxI1QsKnhttps://about.bankofamerica.com/en-us/what-guides-us/arts-and-culture/partners.html#fbid=rXDzxI1QsKn