Saturday and Sunday, Bank of America and Merrill Lynch cardholders can receive free admission to a few Rhode Island museums as part of Bank of America’s Museums On Us program. Newport Art Museum, Providence Children’s Museum and the Museum of Art, Rhode Island School of Design are three of 150 museums nationwide that participate in the program, held the first full weekend of each month. Cardholders can simply present a valid credit or debit card with a photo ID to redeem the offer.