It’s summertime, which calls to mind the perennial question for parents: where can we take the kids on vacation and learn something along the way? That question sustains our nation’s massive heritage tourism industry. Odds are you already have a list full of destinations with fascinating museums and popular historic sites. But it’s not just about kids and vacations. In the buildup to the nation’s 2026 semiquincentennial birthday celebration, planners everywhere are hoping to leverage history tourism to boost their local economies. Boston’s Freedom Trail—arguably the nation’s most popular American heritage tourism site— appears to offer a prime example for...