My good friend Mandie and her boyfriend Eric are visiting her parents in Baltimore for the holidays. It's been great spending QT with them and seeing an out-of-towner take in and appreciate this city as much as a local—it makes you remember the first time at your (now) favorite spots. Having Eric around, who has a thing for collecting mementos along his travels, has reminded me that most of these local businesses offer their own special assortment of keepsakes, like graphic tees. Inspired by Eric and his growing collection of Baltimore-based t-shirts (as well as other cities he has been to), here's a way to help your (visiting) loved ones represent your hometown.

The Brewer's Art Festivus t-shirt ($20) designed by Kurt Ichikawa. Half of each purchase goes towards Hurricane...