I could not recommend this tour more! Mark was our tour guide, and he was absolutely phenomenal. He was immensely knowledgeable about the history along the Freedom Trail (and much more!), and he told it with enthusiasm and humor. He clearly loves history and made it come alive. He invited questions and could answer anything, even my after-tour question related to WWI. I appreciated that he was happy to stick around after the tour to chat. This tour was a great value, and if you're like me, you'll probably want to leave a tip, too.
Be sure to wear comfortable shoes as you will stand the whole time. We didn't stop for a restroom break (I think because that is still a little complicated with COVID), so keep that in mind.