Guests can “quest” at this first-in-the-U.S. Swedish, recreational attraction. Teams of three to five people do battle with mental and/or physical multi-part challenges (called quests), all in the name of fun—and winning. This location features more then 25 quests. Tickets: $18-28. Open Su-Th 10 am-10 pm, F-Sa 10 am-midnight. 90 Pleasant St., Malden, 617.817.1531.
BOSTON SAILING CENTER
Stop here to practice your sailing all year round with the beautiful Boston scenery surrounding you. The Boston Sailing Center allows for some pretty unique opportunities for those in the sailing world. Here, this water sport is not just limited to the warmer weather months. Try your hand in Frostbite Racing on the Boston Harbor and keep your sailing skills sharp in the off-season. Saturdays 12-3 from Nov. 5 to March 25. The Riverboat at Lewis Wharf, 617.227.4198.
This specialized fitness center is the place to get your climb on. Bouldering and auto belay, top roping and lead climbing and a variety of wall heights. Day pass: $29. Gear rentals: $2-$11. Open M-F 7 am-11:00 pm, Sa-Su 9 am-11:00 pm. 12A Tyler St., Somerville, 617.623.6700.
CHARLES RIVER CANOE & KAYAK
Breeze along the Charles River and/or Boston Harbor in canoes, kayaks, and other water-bound vessels, no matter your level of experience, whether it’s your first time or you’re used to paddling in Pacific-size waves. Features canoe, kayak, paddle board and rowboat rentals, lessons, demos, and tours. Special excursions include moonlight and barbecue tours; information online. Rentals, by hour and/or day: $9-760. Soldiers Field Road, Allston, 617.462.2513; 356 3rd St., Cambridge.
FROG POND SPRAY POOL
Kids beat the heat by splashing in shallow waters and the 30-foot spray plume of this enormously fun wading pool. After a dip, dry off and take a turn at the nearby Tadpole Playground or grab a bite at the Frog Pond Cafe. Free. Open daily 11 am-6 pm. Boston Common, 617.635.2120.
Bikeway created on an inactive railroad track. Eleven-mile trail for recreational cyclists and commuters extending from the Alewife MBTA Station to the town of Bedford and traversing Lexington, Arlington, Cambridge. Start: Alewife MBTA Station, Cambridge; End: Depot Park, South Street, Bedford.
This indoor trampoline park that is located outside Boston offers endless amounts of fun for those of all ages. Bounce off the walls, do flips, but most of all get exercise. Tickets: $10-25. Open Tu-Th 3-8 pm, F 2-11 pm, Sa 10 am-10 pm, Su 10 am-8 pm. 91B Sprague St., Hyde Park, 857.345.9693.