Louisville Slugger Museum & Factory
Keep your eye on the, um, bat while touring this museum-and-factory combo in Louisville, Kentucky. The price of admission ($10 for adults, $5 for kids 6 to 12, free for those younger) includes a miniature souvenir bat (sluggermuseum.org or 877-775-8443).
Tom’s of Maine Factory
How does toothpaste get into the tube? Find out on a behind-the-scenes peek at eco-friendly Tom’s of Maine, in Sanford, Maine. Tours are free, but they’re conducted only in the summer, and reservations are required. Children must be 5 or older (tomsofmaine.com or 800-775-2388).