If you're a fan of live theater productions, book yourself a ticket for a play at Theatre Baton Rouge. Check online to see what's still available.
You'll need to pay to explore this arts and culture attraction in the industrial neighborhood of Lobdell/Woodale, so look up the cost before you go. If you'd like more fun activities after your visit to Theatre Baton Rouge, Tiger Stadium, Baton Rouge River Center and Mall of Louisiana are close by.