Guests can explore Frenchman Bay and the waters that surround Bar Harbor and Mount Desert Island with a tour on the 46-meter (151-foot) Margaret Todd, the first four-masted Maine windjammer to work in New England waters in more than half a century. Passengers can hoist the sails if they would like, and keep an eye out for bald eagles, porpoises, seals and ospreys while taking in the views of Acadia National Park.