In the Fall of 2011, historian and author Richard Norton Smith led a week-long bus tour of New England. Here are three stops from that tour along Boston’s North Shore where we learn about maritime history. First, dating to 1644, Fort Sewall in Marblehead, Massachusetts. Then, the Salem Maritime National Historic Site to learn how Salem figured prominently in shipping, customs collection, and commerce in the early 19th century. And last, the Gloucester Fisherman’s Memorial, dedicated to the thousands of Gloucester fishermen lost at sea.