Join Sean Baggett as he leads this walking tour as we look to uncover the network of forts and sites that make up Fortress Boston, through the evolution of Boston Harbor defenses in response to ever-changing geopolitical threats - from the Puritans through the Cold War and Counter Terrorism. Check the weather and dress appropriately and wear walking shoes. Bring a camera and binoculars if you have them. (In case of inclement weather, the walking tour will be held the following day at the same time.)

Fee: $15 per person

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