The first weekend of every month, Bank of America and Merrill Lynch customers get into many museums nationwide for free. Also, call individual museums for their hours. As of this posting the following Charlotte museums are included. If you are reading this post at a later time make sure to check the link yourself.
Mint Museum Uptown
Mint Museum Randolph
Bechtler Museum of Modern Art
Levine Musem of the New South
Bring a Bank of America/Merrill Lynch credit or debit card for admission. Excludes special exhibitions, fundraising events and ticketed shows.