Adventure

Boston Bike Tours Boston is known as "the walking city," but that doesn't mean you can't bike! Pedal around the city on any of several different tour options, including the Freedom Trail, Emerald Necklace, and South Boston. Boston Common, Boston, MA; +1 617 308 5902. Fee (bike, helmet, water, and guide included).

Chesterfield Gorge Take an easy hike around the gorge and peer down at the churning white water of the East Branch of the Westfield River, a National Wild and Scenic River; go mountain biking along the East Branch Trail; look for ducks and trout in the pools. River Rd., Chesterfield, MA; +1 413 684 0148. Fee.

Crab Apple White-Water Rafting Indulge your inner thrill-seeker on a trip down wild rapids; start small children (as young as five) and beginners with tame introduction rapids; try out a "funyak" (inflatable kayak) on the lower section of the Deerfield River. 2056 Mohawk Trail, Charlemont, MA; 800 553 7238. Fee.

Fish Pier Charters Hook some bass, bluefish, or tuna aboard the Whit's End; have your experience documented by the ship's photographer. Afterward, watch the commercial fishing boats unloading the day's catch on the pier. Chatham Fish Pier, Yarmouthport, MA; +1 508 280 3559. Fee.

Mount Greylock State Reservation Hike along the Appalachian Trail; snowshoe in the winter; and stay overnight in the backcountry camping area (accessible only by foot). Rockwell Rd., Lanesborough, MA; +1 413 499 4262. Camping reservation fee.